feat(api): add security token to ObjectStorage (#537 )

Signed-off-by: Gaius <gaius.qi@gmail.com>
feat: add proxy port to host in v1 scheduler.AnnounceHostRequest (#536 )
2025-09-01 20:21:31 +08:00 · 2025-08-25 17:35:02 +08:00 · 2025-08-25 17:03:32 +08:00 · 2025-08-18 20:22:31 +08:00 · 2025-08-13 11:42:15 +08:00 · 2025-08-08 18:45:13 +08:00
41 changed files with 22098 additions and 2731 deletions
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -18,10 +18,9 @@ jobs:
          fetch-depth: '0'

      - name: Golangci lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
        with:
-          version: v1.54
-          args: --verbose
+          version: v2.1.6

  rust-lint:
    name: Rust Lint
--- a/.golangci.yml
+++ b/.golangci.yml
@ -1,37 +1,53 @@
+version: "2"
 run:
-  deadline: 3m
  modules-download-mode: readonly
-
-linters-settings:
-  gocyclo:
-    min-complexity: 60
-  gci:
-    sections:
-      - standard
-      - default
-
+linters:
+  default: none
+  enable:
+    - errcheck
+    - goconst
+    - gocyclo
+    - govet
+    - misspell
+    - staticcheck
+  settings:
+    gocyclo:
+      min-complexity: 60
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - linters:
+          - staticcheck
+        text: 'SA1019:'
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
 issues:
  new: true
-  exclude-rules:
-    - linters:
-        - staticcheck
-      text: "SA1019:"
-
-linters:
-  disable-all: true
+formatters:
  enable:
    - gci
    - gofmt
-    - golint
-    - misspell
-    - govet
-    - goconst
-    - deadcode
-    - gocyclo
-    - staticcheck
-    - errcheck
-
+  settings:
+    gci:
+      sections:
+        - standard
+        - default
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
 output:
-  format: colored-line-number
-  print-issued-lines: true
-  print-linter-name: true
+  formats:
+    text:
+      path: stdout
+      print-linter-name: true
+      print-issued-lines: true
--- a/Cargo.lock
+++ b/Cargo.lock
@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4

 [[package]]
 name = "addr2line"
@ -190,10 +190,10 @@ dependencies = [

 [[package]]
 name = "dragonfly-api"
-version = "2.1.16"
+version = "2.1.61"
 dependencies = [
- "prost",
- "prost-types",
+ "prost 0.13.5",
+ "prost-types 0.14.1",
 "prost-wkt-types",
 "serde",
 "tokio",
@ -443,7 +443,7 @@ dependencies = [
 "http-body",
 "hyper",
 "pin-project-lite",
- "socket2",
+ "socket2 0.5.7",
 "tokio",
 "tower",
 "tower-service",
@ -476,6 +476,17 @@ version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f958d3d68f4167080a18141e10381e7634563984a537f2a49a30fd8e53ac5767"

+[[package]]
+name = "io-uring"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b86e202f00093dcba4275d4636b93ef9dd75d025ae560d2521b45ea28ab49013"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "itertools"
 version = "0.13.0"
@ -493,9 +504,9 @@ checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"

 [[package]]
 name = "libc"
-version = "0.2.169"
+version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
+checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"

 [[package]]
 name = "linux-raw-sys"
@ -656,12 +667,22 @@ dependencies = [

 [[package]]
 name = "prost"
-version = "0.13.4"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c0fef6c4230e4ccf618a35c59d7ede15dea37de8427500f50aff708806e42ec"
+checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
 dependencies = [
 "bytes",
- "prost-derive",
+ "prost-derive 0.13.5",
+]
+
+[[package]]
+name = "prost"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7231bd9b3d3d33c86b58adbac74b5ec0ad9f496b19d22801d773636feaa95f3d"
+dependencies = [
+ "bytes",
+ "prost-derive 0.14.1",
 ]

 [[package]]
@ -678,8 +699,8 @@ dependencies = [
 "once_cell",
 "petgraph",
 "prettyplease",
- "prost",
- "prost-types",
+ "prost 0.13.5",
+ "prost-types 0.13.5",
 "regex",
 "syn",
 "tempfile",
@ -687,9 +708,22 @@ dependencies = [

 [[package]]
 name = "prost-derive"
-version = "0.13.4"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "157c5a9d7ea5c2ed2d9fb8f495b64759f7816c7eaea54ba3978f0d63000162e3"
+checksum = "8a56d757972c98b346a9b766e3f02746cde6dd1cd1d1d563472929fdd74bec4d"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9120690fafc389a67ba3803df527d0ec9cbbc9cc45e4cc20b332996dfb672425"
 dependencies = [
 "anyhow",
 "itertools",
@ -700,22 +734,31 @@ dependencies = [

 [[package]]
 name = "prost-types"
-version = "0.13.4"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc2f1e56baa61e93533aebc21af4d2134b70f66275e0fcdf3cbe43d77ff7e8fc"
+checksum = "52c2c1bf36ddb1a1c396b3601a3cec27c2462e45f07c386894ec3ccf5332bd16"
 dependencies = [
- "prost",
+ "prost 0.13.5",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9b4db3d6da204ed77bb26ba83b6122a73aeb2e87e25fbf7ad2e84c4ccbf8f72"
+dependencies = [
+ "prost 0.14.1",
 ]

 [[package]]
 name = "prost-wkt"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8d84e2bee181b04c2bac339f2bfe818c46a99750488cc6728ce4181d5aa8299"
+checksum = "497e1e938f0c09ef9cabe1d49437b4016e03e8f82fbbe5d1c62a9b61b9decae1"
 dependencies = [
 "chrono",
 "inventory",
- "prost",
+ "prost 0.13.5",
 "serde",
 "serde_derive",
 "serde_json",
@ -724,27 +767,27 @@ dependencies = [

 [[package]]
 name = "prost-wkt-build"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a669d5acbe719010c6f62a64e6d7d88fdedc1fe46e419747949ecb6312e9b14"
+checksum = "07b8bf115b70a7aa5af1fd5d6e9418492e9ccb6e4785e858c938e28d132a884b"
 dependencies = [
 "heck",
- "prost",
+ "prost 0.13.5",
 "prost-build",
- "prost-types",
+ "prost-types 0.13.5",
 "quote",
 ]

 [[package]]
 name = "prost-wkt-types"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01ef068e9b82e654614b22e6b13699bd545b6c0e2e721736008b00b38aeb4f64"
+checksum = "c8cdde6df0a98311c839392ca2f2f0bcecd545f86a62b4e3c6a49c336e970fe5"
 dependencies = [
 "chrono",
- "prost",
+ "prost 0.13.5",
 "prost-build",
- "prost-types",
+ "prost-types 0.13.5",
 "prost-wkt",
 "prost-wkt-build",
 "regex",
@ -854,18 +897,18 @@ checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"

 [[package]]
 name = "serde"
-version = "1.0.217"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
 "serde_derive",
 ]

 [[package]]
 name = "serde_derive"
-version = "1.0.217"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
 "proc-macro2",
 "quote",
@ -915,6 +958,16 @@ dependencies = [
 "windows-sys 0.52.0",
 ]

+[[package]]
+name = "socket2"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+dependencies = [
+ "libc",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.85"
@ -953,18 +1006,20 @@ dependencies = [

 [[package]]
 name = "tokio"
-version = "1.43.0"
+version = "1.47.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d61fa4ffa3de412bfea335c6ecff681de2b609ba3c77ef3e00e521813a9ed9e"
+checksum = "89e49afdadebb872d3145a5638b59eb0691ea23e46ca484037cfab3b76b95038"
 dependencies = [
 "backtrace",
 "bytes",
+ "io-uring",
 "libc",
 "mio",
 "pin-project-lite",
- "socket2",
+ "slab",
+ "socket2 0.6.0",
 "tokio-macros",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]

 [[package]]
@ -1022,8 +1077,8 @@ dependencies = [
 "hyper-util",
 "percent-encoding",
 "pin-project",
- "prost",
- "socket2",
+ "prost 0.13.5",
+ "socket2 0.5.7",
 "tokio",
 "tokio-stream",
 "tower",
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.1.16"
+version = "2.1.61"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
@ -12,9 +12,9 @@ readme = "README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
 tonic = "0.12.3"
-prost = "0.13.4"
-prost-types = "0.13.4"
-tokio = { version = "1.43.0", features = ["rt-multi-thread", "macros"] }
+prost = "0.13.5"
+prost-types = "0.14.1"
+tokio = { version = "1.47.1", features = ["rt-multi-thread", "macros"] }
 serde = { version = "1.0", features = ["derive"] }
 prost-wkt-types = "0.6"

--- a/2
+++ b/2
@ -17,7 +17,7 @@ all: help
 # Run code lint
 lint: markdownlint
 	@echo "Begin to golangci-lint."
-	@golangci-lint run
+	@./hack/golanglint.sh
 .PHONY: lint

 # Run markdown lint
--- a/README.md
+++ b/README.md
@ -16,9 +16,9 @@ please contact [dragonfly maintainers](https://github.com/dragonflyoss/dragonfly
 Join the conversation and help the community.

 - **Slack Channel**: [#dragonfly](https://cloud-native.slack.com/messages/dragonfly/) on [CNCF Slack](https://slack.cncf.io/)
- **Discussion Group**: <dragonfly-discuss@googlegroups.com>
- **Developer Group**: <dragonfly-developers@googlegroups.com>
 - **Github Discussions**: [Dragonfly Discussion Forum](https://github.com/dragonflyoss/dragonfly/discussions)
+- **Developer Group**: <dragonfly-developers@googlegroups.com>
+- **Maintainer Group**: <dragonfly-maintainers@googlegroups.com>
 - **Twitter**: [@dragonfly_oss](https://twitter.com/dragonfly_oss)
 - **DingTalk**: [22880028764](https://qr.dingtalk.com/action/joingroup?code=v1,k1,pkV9IbsSyDusFQdByPSK3HfCG61ZCLeb8b/lpQ3uUqI=&_dt_no_comment=1&origin=11)

--- a/build.rs
+++ b/build.rs
@ -7,6 +7,10 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
            "scheduler.v2.AnnouncePeerRequest.request",
            "#[allow(clippy::large_enum_variant)]",
        )
+        .type_attribute(
+            "scheduler.v2.AnnounceCachePeerRequest.request",
+            "#[allow(clippy::large_enum_variant)]",
+        )
        .extern_path(".google.protobuf.Timestamp", "::prost_wkt_types::Timestamp")
        .extern_path(".google.protobuf.Duration", "::prost_wkt_types::Duration")
        .out_dir("src")
--- a/go.mod
+++ b/go.mod
@ -1,17 +1,17 @@
 module d7y.io/api/v2

-go 1.23.0
+go 1.23.8

 require (
-	github.com/envoyproxy/protoc-gen-validate v1.1.0
-	go.uber.org/mock v0.4.0
-	google.golang.org/grpc v1.69.4
-	google.golang.org/protobuf v1.36.3
+	github.com/envoyproxy/protoc-gen-validate v1.2.1
+	go.uber.org/mock v0.5.2
+	google.golang.org/grpc v1.74.2
+	google.golang.org/protobuf v1.36.7
 )

 require (
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 // indirect
+	golang.org/x/net v0.40.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,36 +1,38 @@
-github.com/envoyproxy/protoc-gen-validate v1.1.0 h1:tntQDh69XqOCOZsDz0lVJQez/2L6Uu2PdjCQwWCJ3bM=
-github.com/envoyproxy/protoc-gen-validate v1.1.0/go.mod h1:sXRDRVmzEbkM7CVcM06s9shE/m23dg3wzjl0UWqJ2q4=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/envoyproxy/protoc-gen-validate v1.2.1 h1:DEo3O99U8j4hBFwbJfrz9VtgcDfUKS7KJ7spH3d86P8=
+github.com/envoyproxy/protoc-gen-validate v1.2.1/go.mod h1:d/C80l/jxXLdfEIhX1W2TmLfsJ31lvEjwamM4DxlWXU=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-go.opentelemetry.io/otel v1.31.0 h1:NsJcKPIW0D0H3NgzPDHmo0WW6SptzPdqg/L1zsIm2hY=
-go.opentelemetry.io/otel v1.31.0/go.mod h1:O0C14Yl9FgkjqcCZAsE053C13OaddMYr/hz6clDkEJE=
-go.opentelemetry.io/otel/metric v1.31.0 h1:FSErL0ATQAmYHUIzSezZibnyVlft1ybhy4ozRPcF2fE=
-go.opentelemetry.io/otel/metric v1.31.0/go.mod h1:C3dEloVbLuYoX41KpmAhOqNriGbA+qqH6PQ5E5mUfnY=
-go.opentelemetry.io/otel/sdk v1.31.0 h1:xLY3abVHYZ5HSfOg3l2E5LUj2Cwva5Y7yGxnSW9H5Gk=
-go.opentelemetry.io/otel/sdk v1.31.0/go.mod h1:TfRbMdhvxIIr/B2N2LQW2S5v9m3gOQ/08KsbbO5BPT0=
-go.opentelemetry.io/otel/sdk/metric v1.31.0 h1:i9hxxLJF/9kkvfHppyLL55aW7iIJz4JjxTeYusH7zMc=
-go.opentelemetry.io/otel/sdk/metric v1.31.0/go.mod h1:CRInTMVvNhUKgSAMbKyTMxqOBC0zgyxzW55lZzX43Y8=
-go.opentelemetry.io/otel/trace v1.31.0 h1:ffjsj1aRouKewfr85U2aGagJ46+MvodynlQ1HYdmJys=
-go.opentelemetry.io/otel/trace v1.31.0/go.mod h1:TXZkRk7SM2ZQLtR6eoAWQFIHPvzQ06FJAsO1tJg480A=
-go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
-go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
-golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 h1:X58yt85/IXCx0Y3ZwN6sEIKZzQtDEYaBWrDvErdXrRE=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
-google.golang.org/grpc v1.69.4 h1:MF5TftSMkd8GLw/m0KM6V8CMOCY6NZ1NQDPGFgbTt4A=
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-google.golang.org/protobuf v1.36.3/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
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+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
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+go.opentelemetry.io/otel v1.36.0/go.mod h1:/TcFMXYjyRNh8khOAO9ybYkqaDBb/70aVwkNML4pP8E=
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--- a/hack/golanglint.sh
+++ b/hack/golanglint.sh
@ -0,0 +1,11 @@
+#!/bin/bash
+
+LINT_DIR=/data
+GOLANGCI_IMAGE=golangci/golangci-lint:v1.54
+
+docker run --rm \
+    -w "${LINT_DIR}" \
+    -v "$(pwd):${LINT_DIR}:ro" \
+    ${GOLANGCI_IMAGE} \
+    golangci-lint \
+    run -v
--- a/pkg/apis/common/v1/common.pb.go
+++ b/pkg/apis/common/v1/common.pb.go
@ -963,6 +963,8 @@ type Host struct {
 	Location string `protobuf:"bytes,7,opt,name=location,proto3" json:"location,omitempty"`
 	// IDC where the peer host is located.
 	Idc string `protobuf:"bytes,8,opt,name=idc,proto3" json:"idc,omitempty"`
+	// Port of proxy server.
+	ProxyPort int32 `protobuf:"varint,9,opt,name=proxy_port,json=proxyPort,proto3" json:"proxy_port,omitempty"`
 }

 func (x *Host) Reset() {
@ -1046,6 +1048,13 @@ func (x *Host) GetIdc() string {
 	return ""
 }

+func (x *Host) GetProxyPort() int32 {
+	if x != nil {
+		return x.ProxyPort
+	}
+	return 0
+}
+
 var File_pkg_apis_common_v1_common_proto protoreflect.FileDescriptor

 var file_pkg_apis_common_v1_common_proto_rawDesc = []byte{
@ -1152,7 +1161,7 @@ var file_pkg_apis_common_v1_common_proto_rawDesc = []byte{
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+	0x74, 0x6f, 0x33,
 }

 var (
--- a/pkg/apis/common/v1/common.pb.validate.go
+++ b/pkg/apis/common/v1/common.pb.validate.go
@ -1013,6 +1013,17 @@ func (m *Host) validate(all bool) error {

 	}

+	if val := m.GetProxyPort(); val < 1024 || val >= 65535 {
+		err := HostValidationError{
+			field:  "ProxyPort",
+			reason: "value must be inside range [1024, 65535)",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
 	if len(errors) > 0 {
 		return HostMultiError(errors)
 	}
--- a/pkg/apis/common/v1/common.proto
+++ b/pkg/apis/common/v1/common.proto
@ -57,7 +57,7 @@ enum Code {
  // Scheduler response error 5000-5999.
  SchedError = 5000;
  // Client should try to download from source.
-  SchedNeedBackSource = 5001; 
+  SchedNeedBackSource = 5001;
  // Client should disconnect from scheduler.
  SchedPeerGone = 5002;
  // Peer not found in scheduler.
@ -245,4 +245,6 @@ message Host {
  string location = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // IDC where the peer host is located.
  string idc = 8 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  // Port of proxy server.
+  int32 proxy_port = 9 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
 }
--- a/pkg/apis/common/v2/common.pb.go
+++ b/pkg/apis/common/v2/common.pb.go
--- a/pkg/apis/common/v2/common.pb.validate.go
+++ b/pkg/apis/common/v2/common.pb.validate.go
@ -363,6 +363,335 @@ var _ interface {
 	ErrorName() string
 } = PeerValidationError{}

+// Validate checks the field values on CachePeer with the rules defined in the
+// proto definition for this message. If any rules are violated, the first
+// error encountered is returned, or nil if there are no violations.
+func (m *CachePeer) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CachePeer with the rules defined in
+// the proto definition for this message. If any rules are violated, the
+// result is a list of violation errors wrapped in CachePeerMultiError, or nil
+// if none found.
+func (m *CachePeer) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CachePeer) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if utf8.RuneCountInString(m.GetId()) < 1 {
+		err := CachePeerValidationError{
+			field:  "Id",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if _, ok := Priority_name[int32(m.GetPriority())]; !ok {
+		err := CachePeerValidationError{
+			field:  "Priority",
+			reason: "value must be one of the defined enum values",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(m.GetPieces()) > 0 {
+
+		if len(m.GetPieces()) < 1 {
+			err := CachePeerValidationError{
+				field:  "Pieces",
+				reason: "value must contain at least 1 item(s)",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+
+		for idx, item := range m.GetPieces() {
+			_, _ = idx, item
+
+			if all {
+				switch v := interface{}(item).(type) {
+				case interface{ ValidateAll() error }:
+					if err := v.ValidateAll(); err != nil {
+						errors = append(errors, CachePeerValidationError{
+							field:  fmt.Sprintf("Pieces[%v]", idx),
+							reason: "embedded message failed validation",
+							cause:  err,
+						})
+					}
+				case interface{ Validate() error }:
+					if err := v.Validate(); err != nil {
+						errors = append(errors, CachePeerValidationError{
+							field:  fmt.Sprintf("Pieces[%v]", idx),
+							reason: "embedded message failed validation",
+							cause:  err,
+						})
+					}
+				}
+			} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
+				if err := v.Validate(); err != nil {
+					return CachePeerValidationError{
+						field:  fmt.Sprintf("Pieces[%v]", idx),
+						reason: "embedded message failed validation",
+						cause:  err,
+					}
+				}
+			}
+
+		}
+
+	}
+
+	if m.GetCost() == nil {
+		err := CachePeerValidationError{
+			field:  "Cost",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if utf8.RuneCountInString(m.GetState()) < 1 {
+		err := CachePeerValidationError{
+			field:  "State",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetTask() == nil {
+		err := CachePeerValidationError{
+			field:  "Task",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if all {
+		switch v := interface{}(m.GetTask()).(type) {
+		case interface{ ValidateAll() error }:
+			if err := v.ValidateAll(); err != nil {
+				errors = append(errors, CachePeerValidationError{
+					field:  "Task",
+					reason: "embedded message failed validation",
+					cause:  err,
+				})
+			}
+		case interface{ Validate() error }:
+			if err := v.Validate(); err != nil {
+				errors = append(errors, CachePeerValidationError{
+					field:  "Task",
+					reason: "embedded message failed validation",
+					cause:  err,
+				})
+			}
+		}
+	} else if v, ok := interface{}(m.GetTask()).(interface{ Validate() error }); ok {
+		if err := v.Validate(); err != nil {
+			return CachePeerValidationError{
+				field:  "Task",
+				reason: "embedded message failed validation",
+				cause:  err,
+			}
+		}
+	}
+
+	if m.GetHost() == nil {
+		err := CachePeerValidationError{
+			field:  "Host",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if all {
+		switch v := interface{}(m.GetHost()).(type) {
+		case interface{ ValidateAll() error }:
+			if err := v.ValidateAll(); err != nil {
+				errors = append(errors, CachePeerValidationError{
+					field:  "Host",
+					reason: "embedded message failed validation",
+					cause:  err,
+				})
+			}
+		case interface{ Validate() error }:
+			if err := v.Validate(); err != nil {
+				errors = append(errors, CachePeerValidationError{
+					field:  "Host",
+					reason: "embedded message failed validation",
+					cause:  err,
+				})
+			}
+		}
+	} else if v, ok := interface{}(m.GetHost()).(interface{ Validate() error }); ok {
+		if err := v.Validate(); err != nil {
+			return CachePeerValidationError{
+				field:  "Host",
+				reason: "embedded message failed validation",
+				cause:  err,
+			}
+		}
+	}
+
+	// no validation rules for NeedBackToSource
+
+	if m.GetCreatedAt() == nil {
+		err := CachePeerValidationError{
+			field:  "CreatedAt",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetUpdatedAt() == nil {
+		err := CachePeerValidationError{
+			field:  "UpdatedAt",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.Range != nil {
+
+		if all {
+			switch v := interface{}(m.GetRange()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, CachePeerValidationError{
+						field:  "Range",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, CachePeerValidationError{
+						field:  "Range",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetRange()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return CachePeerValidationError{
+					field:  "Range",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	}
+
+	if len(errors) > 0 {
+		return CachePeerMultiError(errors)
+	}
+
+	return nil
+}
+
+// CachePeerMultiError is an error wrapping multiple validation errors returned
+// by CachePeer.ValidateAll() if the designated constraints aren't met.
+type CachePeerMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CachePeerMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CachePeerMultiError) AllErrors() []error { return m }
+
+// CachePeerValidationError is the validation error returned by
+// CachePeer.Validate if the designated constraints aren't met.
+type CachePeerValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CachePeerValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CachePeerValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CachePeerValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CachePeerValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CachePeerValidationError) ErrorName() string { return "CachePeerValidationError" }
+
+// Error satisfies the builtin error interface
+func (e CachePeerValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCachePeer.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CachePeerValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CachePeerValidationError{}
+
 // Validate checks the field values on PersistentCachePeer with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
@ -668,17 +997,6 @@ func (m *Task) validate(all bool) error {

 	// no validation rules for RequestHeader

-	if m.GetPieceLength() < 1 {
-		err := TaskValidationError{
-			field:  "PieceLength",
-			reason: "value must be greater than or equal to 1",
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
-
 	// no validation rules for ContentLength

 	// no validation rules for PieceCount
@ -877,6 +1195,271 @@ var _ interface {

 var _Task_Digest_Pattern = regexp.MustCompile("^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$")

+// Validate checks the field values on CacheTask with the rules defined in the
+// proto definition for this message. If any rules are violated, the first
+// error encountered is returned, or nil if there are no violations.
+func (m *CacheTask) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CacheTask with the rules defined in
+// the proto definition for this message. If any rules are violated, the
+// result is a list of violation errors wrapped in CacheTaskMultiError, or nil
+// if none found.
+func (m *CacheTask) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CacheTask) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if utf8.RuneCountInString(m.GetId()) < 1 {
+		err := CacheTaskValidationError{
+			field:  "Id",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if _, ok := TaskType_name[int32(m.GetType())]; !ok {
+		err := CacheTaskValidationError{
+			field:  "Type",
+			reason: "value must be one of the defined enum values",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if uri, err := url.Parse(m.GetUrl()); err != nil {
+		err = CacheTaskValidationError{
+			field:  "Url",
+			reason: "value must be a valid URI",
+			cause:  err,
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	} else if !uri.IsAbs() {
+		err := CacheTaskValidationError{
+			field:  "Url",
+			reason: "value must be absolute",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	// no validation rules for RequestHeader
+
+	// no validation rules for ContentLength
+
+	// no validation rules for PieceCount
+
+	// no validation rules for SizeScope
+
+	if len(m.GetPieces()) > 0 {
+
+		if len(m.GetPieces()) < 1 {
+			err := CacheTaskValidationError{
+				field:  "Pieces",
+				reason: "value must contain at least 1 item(s)",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+
+		for idx, item := range m.GetPieces() {
+			_, _ = idx, item
+
+			if all {
+				switch v := interface{}(item).(type) {
+				case interface{ ValidateAll() error }:
+					if err := v.ValidateAll(); err != nil {
+						errors = append(errors, CacheTaskValidationError{
+							field:  fmt.Sprintf("Pieces[%v]", idx),
+							reason: "embedded message failed validation",
+							cause:  err,
+						})
+					}
+				case interface{ Validate() error }:
+					if err := v.Validate(); err != nil {
+						errors = append(errors, CacheTaskValidationError{
+							field:  fmt.Sprintf("Pieces[%v]", idx),
+							reason: "embedded message failed validation",
+							cause:  err,
+						})
+					}
+				}
+			} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
+				if err := v.Validate(); err != nil {
+					return CacheTaskValidationError{
+						field:  fmt.Sprintf("Pieces[%v]", idx),
+						reason: "embedded message failed validation",
+						cause:  err,
+					}
+				}
+			}
+
+		}
+
+	}
+
+	if utf8.RuneCountInString(m.GetState()) < 1 {
+		err := CacheTaskValidationError{
+			field:  "State",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	// no validation rules for PeerCount
+
+	// no validation rules for HasAvailablePeer
+
+	if m.GetCreatedAt() == nil {
+		err := CacheTaskValidationError{
+			field:  "CreatedAt",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetUpdatedAt() == nil {
+		err := CacheTaskValidationError{
+			field:  "UpdatedAt",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.Digest != nil {
+
+		if m.GetDigest() != "" {
+
+			if !_CacheTask_Digest_Pattern.MatchString(m.GetDigest()) {
+				err := CacheTaskValidationError{
+					field:  "Digest",
+					reason: "value does not match regex pattern \"^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$\"",
+				}
+				if !all {
+					return err
+				}
+				errors = append(errors, err)
+			}
+
+		}
+
+	}
+
+	if m.Tag != nil {
+		// no validation rules for Tag
+	}
+
+	if m.Application != nil {
+		// no validation rules for Application
+	}
+
+	if len(errors) > 0 {
+		return CacheTaskMultiError(errors)
+	}
+
+	return nil
+}
+
+// CacheTaskMultiError is an error wrapping multiple validation errors returned
+// by CacheTask.ValidateAll() if the designated constraints aren't met.
+type CacheTaskMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CacheTaskMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CacheTaskMultiError) AllErrors() []error { return m }
+
+// CacheTaskValidationError is the validation error returned by
+// CacheTask.Validate if the designated constraints aren't met.
+type CacheTaskValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CacheTaskValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CacheTaskValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CacheTaskValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CacheTaskValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CacheTaskValidationError) ErrorName() string { return "CacheTaskValidationError" }
+
+// Error satisfies the builtin error interface
+func (e CacheTaskValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCacheTask.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CacheTaskValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CacheTaskValidationError{}
+
+var _CacheTask_Digest_Pattern = regexp.MustCompile("^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$")
+
 // Validate checks the field values on PersistentCacheTask with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
@ -925,10 +1508,10 @@ func (m *PersistentCacheTask) validate(all bool) error {

 	// no validation rules for CurrentReplicaCount

-	if m.GetPieceLength() < 1 {
+	if val := m.GetPieceLength(); val < 4194304 || val > 67108864 {
 		err := PersistentCacheTaskValidationError{
 			field:  "PieceLength",
-			reason: "value must be greater than or equal to 1",
+			reason: "value must be inside range [4194304, 67108864]",
 		}
 		if !all {
 			return err
@ -951,6 +1534,17 @@ func (m *PersistentCacheTask) validate(all bool) error {
 		errors = append(errors, err)
 	}

+	if m.GetTtl() == nil {
+		err := PersistentCacheTaskValidationError{
+			field:  "Ttl",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
 	if m.GetCreatedAt() == nil {
 		err := PersistentCacheTaskValidationError{
 			field:  "CreatedAt",
@ -1162,6 +1756,8 @@ func (m *Host) validate(all bool) error {

 	// no validation rules for DisableShared

+	// no validation rules for ProxyPort
+
 	if m.Cpu != nil {

 		if all {
@ -1923,13 +2519,9 @@ func (m *Network) validate(all bool) error {

 	// no validation rules for UploadTcpConnectionCount

-	// no validation rules for DownloadRate
+	// no validation rules for MaxRxBandwidth

-	// no validation rules for DownloadRateLimit
-
-	// no validation rules for UploadRate
-
-	// no validation rules for UploadRateLimit
+	// no validation rules for MaxTxBandwidth

 	if m.Location != nil {
 		// no validation rules for Location
@ -1939,6 +2531,14 @@ func (m *Network) validate(all bool) error {
 		// no validation rules for Idc
 	}

+	if m.RxBandwidth != nil {
+		// no validation rules for RxBandwidth
+	}
+
+	if m.TxBandwidth != nil {
+		// no validation rules for TxBandwidth
+	}
+
 	if len(errors) > 0 {
 		return NetworkMultiError(errors)
 	}
@ -2345,7 +2945,7 @@ func (m *Download) validate(all bool) error {

 	// no validation rules for NeedPieceContent

-	// no validation rules for LoadToCache
+	// no validation rules for ForceHardLink

 	if m.Digest != nil {

@ -2411,10 +3011,10 @@ func (m *Download) validate(all bool) error {

 		if m.GetPieceLength() != 0 {

-			if m.GetPieceLength() < 1 {
+			if val := m.GetPieceLength(); val < 4194304 || val > 67108864 {
 				err := DownloadValidationError{
 					field:  "PieceLength",
-					reason: "value must be greater than or equal to 1",
+					reason: "value must be inside range [4194304, 67108864]",
 				}
 				if !all {
 					return err
@ -2544,6 +3144,29 @@ func (m *Download) validate(all bool) error {

 	}

+	if m.ContentForCalculatingTaskId != nil {
+		// no validation rules for ContentForCalculatingTaskId
+	}
+
+	if m.RemoteIp != nil {
+
+		if m.GetRemoteIp() != "" {
+
+			if ip := net.ParseIP(m.GetRemoteIp()); ip == nil {
+				err := DownloadValidationError{
+					field:  "RemoteIp",
+					reason: "value must be a valid IP address",
+				}
+				if !all {
+					return err
+				}
+				errors = append(errors, err)
+			}
+
+		}
+
+	}
+
 	if len(errors) > 0 {
 		return DownloadMultiError(errors)
 	}
@ -2770,6 +3393,25 @@ func (m *ObjectStorage) validate(all bool) error {

 	}

+	if m.SecurityToken != nil {
+
+		if m.GetSecurityToken() != "" {
+
+			if utf8.RuneCountInString(m.GetSecurityToken()) < 1 {
+				err := ObjectStorageValidationError{
+					field:  "SecurityToken",
+					reason: "value length must be at least 1 runes",
+				}
+				if !all {
+					return err
+				}
+				errors = append(errors, err)
+			}
+
+		}
+
+	}
+
 	if len(errors) > 0 {
 		return ObjectStorageMultiError(errors)
 	}
--- a/pkg/apis/common/v2/common.proto
+++ b/pkg/apis/common/v2/common.proto
@ -48,7 +48,7 @@ enum TaskType {
  // local peer(local cache). When the standard task is never downloaded in the
  // P2P cluster, dfdaemon will download the task from the source. When the standard
  // task is downloaded in the P2P cluster, dfdaemon will download the task from
-  // the remote peer or local peer(local cache).
+  // the remote peer or local peer(local cache), where peers use disk storage to store tasks.
  STANDARD = 0;

  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
@ -57,11 +57,18 @@ enum TaskType {
  // prevent data loss.
  PERSISTENT = 1;

-  // PERSIST_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
+  // PERSISTENT_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
  // When the persistent cache task is imported into the P2P cluster, dfdaemon will store
  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
  // When the expiration time is reached, task will be deleted in the P2P cluster.
  PERSISTENT_CACHE = 2;
+
+  // CACHE is cache type of task, it can download from source, remote peer and
+  // local peer(local cache). When the cache task is never downloaded in the
+  // P2P cluster, dfdaemon will download the cache task from the source. When the cache
+  // task is downloaded in the P2P cluster, dfdaemon will download the cache task from
+  // the remote peer or local peer(local cache), where peers use memory storage to store cache tasks.
+  CACHE = 3;
 }

 // TrafficType represents type of traffic.
@ -138,6 +145,32 @@ message Peer {
  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
 }

+// CachePeer metadata.
+message CachePeer {
+  // Peer id.
+  string id = 1 [(validate.rules).string.min_len = 1];
+  // Range is url range of request.
+  optional Range range = 2;
+  // Peer priority.
+  Priority priority = 3 [(validate.rules).enum.defined_only = true];
+  // Pieces of peer.
+  repeated Piece pieces = 4 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+  // Peer downloads costs time.
+  google.protobuf.Duration cost = 5 [(validate.rules).duration.required = true];
+  // Peer state.
+  string state = 6 [(validate.rules).string.min_len = 1];
+  // CacheTask info.
+  CacheTask task = 7 [(validate.rules).message.required = true];
+  // Host info.
+  Host host = 8 [(validate.rules).message.required = true];
+  // NeedBackToSource needs downloaded from source.
+  bool need_back_to_source = 9;
+  // Peer create time.
+  google.protobuf.Timestamp created_at = 10 [(validate.rules).timestamp.required = true];
+  // Peer update time.
+  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
+}
+
 // PersistentCachePeer metadata.
 message PersistentCachePeer {
  // Peer id.
@ -169,7 +202,12 @@ message Task {
  TaskType type = 2 [(validate.rules).enum.defined_only = true];
  // Download url.
  string url = 3 [(validate.rules).string.uri = true];
-  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
  // URL tag identifies different task for same url.
  optional string tag = 5;
@ -183,26 +221,71 @@ message Task {
  repeated string filtered_query_params = 7;
  // Task request headers.
  map<string, string> request_header = 8;
-  // Task piece length.
-  uint64 piece_length = 9 [(validate.rules).uint64.gte = 1];
  // Task content length.
-  uint64 content_length = 10;
+  uint64 content_length = 9;
  // Task piece count.
-  uint32 piece_count = 11;
+  uint32 piece_count = 10;
  // Task size scope.
-  SizeScope size_scope = 12;
+  SizeScope size_scope = 11;
  // Pieces of task.
-  repeated Piece pieces = 13 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+  repeated Piece pieces = 12 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
  // Task state.
-  string state = 14 [(validate.rules).string.min_len = 1];
+  string state = 13 [(validate.rules).string.min_len = 1];
  // Task peer count.
-  uint32 peer_count = 15;
+  uint32 peer_count = 14;
  // Task contains available peer.
-  bool has_available_peer = 16;
+  bool has_available_peer = 15;
  // Task create time.
-  google.protobuf.Timestamp created_at = 17 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 16 [(validate.rules).timestamp.required = true];
  // Task update time.
-  google.protobuf.Timestamp updated_at = 18 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp updated_at = 17 [(validate.rules).timestamp.required = true];
+}
+
+// CacheTask metadata.
+message CacheTask {
+  // Task id.
+  string id = 1 [(validate.rules).string.min_len = 1];
+  // Task type.
+  TaskType type = 2 [(validate.rules).enum.defined_only = true];
+  // Download url.
+  string url = 3 [(validate.rules).string.uri = true];
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
+  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 7;
+  // Task request headers.
+  map<string, string> request_header = 8;
+  // Task content length.
+  uint64 content_length = 9;
+  // Task piece count.
+  uint32 piece_count = 10;
+  // Task size scope.
+  SizeScope size_scope = 11;
+  // Pieces of task.
+  repeated Piece pieces = 12 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+  // Task state.
+  string state = 13 [(validate.rules).string.min_len = 1];
+  // Task peer count.
+  uint32 peer_count = 14;
+  // Task contains available peer.
+  bool has_available_peer = 15;
+  // Task create time.
+  google.protobuf.Timestamp created_at = 16 [(validate.rules).timestamp.required = true];
+  // Task update time.
+  google.protobuf.Timestamp updated_at = 17 [(validate.rules).timestamp.required = true];
 }

 // PersistentCacheTask metadata.
@ -225,17 +308,19 @@ message PersistentCacheTask {
  // Application of task.
  optional string application = 6;
  // Task piece length.
-  uint64 piece_length = 7 [(validate.rules).uint64.gte = 1];
+  uint64 piece_length = 7 [(validate.rules).uint64 = {gte: 4194304, lte: 67108864}];
  // Task content length.
  uint64 content_length = 8;
  // Task piece count.
  uint32 piece_count = 9;
  // Task state.
  string state = 10 [(validate.rules).string.min_len = 1];
+  // TTL of the persistent cache task.
+  google.protobuf.Duration ttl = 11 [(validate.rules).duration.required = true];
  // Task create time.
-  google.protobuf.Timestamp created_at = 11 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 12 [(validate.rules).timestamp.required = true];
  // Task update time.
-  google.protobuf.Timestamp updated_at = 12 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp updated_at = 13 [(validate.rules).timestamp.required = true];
 }

 // Host metadata.
@ -276,6 +361,8 @@ message Host {
  uint64 scheduler_cluster_id = 17;
  // Disable shared data for other peers.
  bool disable_shared = 18;
+  // Port of proxy server.
+  int32 proxy_port = 19;
 }

 // CPU Stat.
@ -343,14 +430,23 @@ message Network {
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
-  // Download rate is received bytes per second.
-  uint64 download_rate = 5;
-  // Download rate is the limit of received bytes per second.
-  uint64 download_rate_limit = 6;
-  // Upload rate is transmitted bytes per second.
-  uint64 upload_rate = 7;
-  // Upload rate is the limit of transmitted bytes per second.
-  uint64 upload_rate_limit = 8;
+  // Maximum bandwidth of the network interface, in bps (bits per second).
+  uint64 max_rx_bandwidth = 9;
+  // Receive bandwidth of the network interface, in bps (bits per second).
+  optional uint64 rx_bandwidth = 10;
+  // Maximum bandwidth of the network interface for transmission, in bps (bits per second).
+  uint64 max_tx_bandwidth = 11;
+  // Transmit bandwidth of the network interface, in bps (bits per second).
+  optional uint64 tx_bandwidth = 12;
+
+  reserved 5;
+  reserved "download_rate";
+  reserved 6;
+  reserved "download_rate_limit";
+  reserved 7;
+  reserved "upload_rate";
+  reserved 8;
+  reserved "upload_rate_limit";
 }

 // Disk Stat.
@ -417,9 +513,15 @@ message Download {
  repeated string filtered_query_params = 8;
  // Task request headers.
  map<string, string> request_header = 9;
-  // Task piece length.
-  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 1, ignore_empty: true}];
-  // File path to be exported.
+	// Piece Length is the piece length(bytes) for downloading file. The value needs to
+	// be greater than 4MiB (4,194,304 bytes) and less than 64MiB (67,108,864 bytes),
+	// for example: 4194304(4mib), 8388608(8mib). If the piece length is not specified,
+	// the piece length will be calculated according to the file size.
+  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 4194304, lte: 67108864, ignore_empty: true}];
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 12;
@ -439,10 +541,20 @@ message Download {
  bool is_prefetch = 19;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 20;
-  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-  // Cache storage is designed to store downloaded piece content from preheat tasks, 
-  // allowing other peers to access the content from memory instead of disk.
-  bool load_to_cache = 21;
+  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  bool force_hard_link = 22;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 23;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 24 [(validate.rules).string = {ip: true, ignore_empty: true}];
+
+  reserved 21;
+  reserved "load_to_cache";
 }

 // Object Storage related information.
@ -461,6 +573,8 @@ message ObjectStorage {
  optional string credential_path = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Predefined ACL that used for the Google Cloud Storage service.
  optional string predefined_acl = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  // Temporary STS security token for accessing OSS.
+  optional string security_token = 8 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }

 // HDFS related information.
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.proto
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.proto
@ -46,6 +46,9 @@ message DownloadTaskStartedResponse {

  // Need to download pieces.
  repeated common.v2.Piece pieces = 4;
+
+  // is_finished indicates whether the download task is finished.
+  bool is_finished = 5;
 }

 // DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
@ -105,24 +108,228 @@ message DownloadPieceRequest{
 message DownloadPieceResponse {
  // Piece information.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
-}
-
-// UploadTaskRequest represents request of UploadTask.
-message UploadTaskRequest {
-  // Task metadata.
-  common.v2.Task task = 1 [(validate.rules).message.required = true];
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
 }

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
+  // local_only specifies whether to query task information from local client only.
+  // If true, the query will be restricted to the local client.
+  // By default (false), the query may be forwarded to the scheduler
+  // for a cluster-wide search.
+  bool local_only = 3;
+}
+
+// ListTaskEntriesRequest represents request of ListTaskEntries.
+message ListTaskEntriesRequest {
+  // Task id.
+  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // URL to be listed the entries.
+  string url = 2;
+  // HTTP header to be sent with the request.
+  map<string, string> request_header = 3;
+  // List timeout.
+  optional google.protobuf.Duration timeout = 4;
+  // certificate_chain is the client certs with DER format for the backend client to list the entries.
+  repeated bytes certificate_chain = 5;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 6;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 7;
+  // Remote IP represents the IP address of the client initiating the list request.
+  optional string remote_ip = 8 [(validate.rules).string = {ip: true, ignore_empty: true}];
+}
+
+// ListTaskEntriesResponse represents response of ListTaskEntries.
+message ListTaskEntriesResponse {
+  // Content length is the content length of the response
+  uint64 content_length = 1;
+  // HTTP header to be sent with the request.
+  map<string, string> response_header = 2;
+  // Backend HTTP status code.
+  optional int32 status_code = 3 [(validate.rules).int32 = {gte: 100, lt: 599, ignore_empty: true}];
+  /// Entries is the information of the entries in the directory.
+  repeated Entry entries = 4;
+}
+
+// Entry represents an entry in a directory.
+message Entry {
+  // URL of the entry.
+  string url = 1;
+  // Size of the entry.
+  uint64 content_length = 2;
+  // Is directory or not.
+  bool is_dir = 3;
 }

 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
+}
+
+// DownloadCacheTaskRequest represents request of DownloadCacheTask.
+message DownloadCacheTaskRequest {
+   // Download url.
+  string url = 1 [(validate.rules).string.uri = true];
+  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  // Range is url range of request. If protocol is http, range
+  // will set in request header. If protocol is others, range
+  // will set in range field.
+  optional common.v2.Range range = 3;
+  // Task type.
+  common.v2.TaskType type = 4 [(validate.rules).enum.defined_only = true];
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Peer priority.
+  common.v2.Priority priority = 7 [(validate.rules).enum.defined_only = true];
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 8;
+  // Task request headers.
+  map<string, string> request_header = 9;
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
+  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  // Download timeout.
+  optional google.protobuf.Duration timeout = 12;
+  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
+  bool disable_back_to_source = 13;
+  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  bool need_back_to_source = 14;
+  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
+  repeated bytes certificate_chain = 15;
+  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
+  bool prefetch = 16;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 17;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 18;
+  // is_prefetch is the flag to indicate whether the request is a prefetch request.
+  bool is_prefetch = 19;
+  // need_piece_content is the flag to indicate whether the response needs to return piece content.
+  bool need_piece_content = 20;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 21;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 22 [(validate.rules).string = {ip: true, ignore_empty: true}];
+}
+
+// DownloadCacheTaskStartedResponse represents cache task download started response of DownloadCacheTaskResponse.
+message DownloadCacheTaskStartedResponse {
+  // Task content length.
+  uint64 content_length = 1;
+
+  // Range is url range of request. If protocol is http, range
+  // is parsed from http header. If other protocol, range comes
+  // from download range field.
+  optional common.v2.Range range = 2;
+
+  // Task response headers.
+  map<string, string> response_header = 3;
+
+  // Need to download pieces.
+  repeated common.v2.Piece pieces = 4;
+
+  // is_finished indicates whether the download task is finished.
+  bool is_finished = 5;
+}
+
+// DownloadCacheTaskResponse represents response of DownloadCacheTask.
+message DownloadCacheTaskResponse {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Peer id.
+  string peer_id = 3 [(validate.rules).string.min_len = 1];
+
+  oneof response {
+    option (validate.required) = true;
+
+    DownloadCacheTaskStartedResponse download_cache_task_started_response = 4;
+    DownloadPieceFinishedResponse download_piece_finished_response = 5;
+  }
+}
+
+// SyncCachePiecesRequest represents request of SyncCachePieces.
+message SyncCachePiecesRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Interested piece numbers.
+  repeated uint32 interested_cache_piece_numbers = 3 [(validate.rules).repeated = {min_items: 1}];
+}
+
+// SyncCachePiecesResponse represents response of SyncCachePieces.
+message SyncCachePiecesResponse {
+  // Exist piece number.
+  uint32 number = 1;
+  // Piece offset.
+  uint64 offset = 2;
+  // Piece length.
+  uint64 length = 3;
+}
+
+// DownloadCachePieceRequest represents request of DownloadCachePiece.
+message DownloadCachePieceRequest{
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Piece number.
+  uint32 piece_number = 3;
+}
+
+// DownloadCachePieceResponse represents response of DownloadCachePieces.
+message DownloadCachePieceResponse {
+  // Piece information.
+  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+}
+
+// StatCacheTaskRequest represents request of StatCacheTask.
+message StatCacheTaskRequest {
+  // Task id.
+  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
+  // local_only specifies whether to query task information from local client only.
+  // If true, the query will be restricted to the local client.
+  // By default (false), the query may be forwarded to the scheduler
+  // for a cluster-wide search.
+  bool local_only = 3;
+}
+
+// DeleteCacheTaskRequest represents request of DeleteCacheTask.
+message DeleteCacheTaskRequest {
+  // Task id.
+  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

 // DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
@ -137,12 +344,27 @@ message DownloadPersistentCacheTaskRequest {
  optional string tag = 3;
  // Application of task.
  optional string application = 4;
-  // File path to be exported.
+  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
+  // it will copy the file to the output path after the export is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 7;
+  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  bool force_hard_link = 8;
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
+  optional string digest = 9;
+  // Remote IP represents the IP address of the client initiating the download request.
+  optional string remote_ip = 10 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

 // DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
@ -170,30 +392,55 @@ message DownloadPersistentCacheTaskResponse {

 // UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
 message UploadPersistentCacheTaskRequest {
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
+  optional string content_for_calculating_task_id = 1;
  // Upload file path of persistent cache task.
-  string path = 1 [(validate.rules).string = {min_len: 1}];
+  string path = 2 [(validate.rules).string = {min_len: 1}];
  // Replica count of the persistent persistent cache task.
-  uint64 persistent_replica_count = 2 [(validate.rules).uint64 = {gte: 1, lte: 5}];
+  uint64 persistent_replica_count = 3 [(validate.rules).uint64 = {gte: 1, lte: 5}];
  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 3;
-  // Application of task.
-  optional string application = 4;
+  optional string tag = 4;
+  // Application of the persistent cache task.
+  optional string application = 5;
+  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
+  optional uint64 piece_length = 6 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 5 [(validate.rules).duration = {gte:{seconds: 60}, lte:{seconds: 604800}}];
+  google.protobuf.Duration ttl = 7 [(validate.rules).duration = {gte:{seconds: 60}, lte:{seconds: 604800}}];
  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
+  optional google.protobuf.Duration timeout = 8;
+  // Remote IP represents the IP address of the client initiating the upload request.
+  optional string remote_ip = 9 [(validate.rules).string = {ip: true, ignore_empty: true}];
+}
+
+// UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
+message UpdatePersistentCacheTaskRequest {
+  // Task id.
+  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Persistent represents whether the persistent cache peer is persistent.
+  // If the persistent cache peer is persistent, the persistent cache peer will
+  // not be deleted when dfdaemon runs garbage collection. It only be deleted
+  // when the task is deleted by the user.
+  bool persistent = 2;
+  // Remote IP represents the IP address of the client initiating the update request.
+  optional string remote_ip = 3 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

 // SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
@ -230,6 +477,8 @@ message DownloadPersistentCachePieceRequest{
 message DownloadPersistentCachePieceResponse {
  // Piece information.
  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
 }

 // SyncHostRequest represents request of SyncHost.
@ -240,6 +489,28 @@ message SyncHostRequest {
  string peer_id = 2 [(validate.rules).string.min_len = 1];
 }

+// IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
+message IBVerbsQueuePairEndpoint {
+  // Number of the queue pair.
+  uint32 num = 1;
+  // Local identifier of the context.
+  uint32 lid = 2;
+  // Global identifier of the context.
+  bytes gid = 3 [(validate.rules).bytes.len = 16];
+}
+
+// ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
+message ExchangeIBVerbsQueuePairEndpointRequest {
+  // Information of the source's queue pair endpoint of IBVerbs.
+  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
+}
+
+// ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
+message ExchangeIBVerbsQueuePairEndpointResponse {
+  // Information of the destination's queue pair endpoint of IBVerbs.
+  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
+}
+
 // DfdaemonUpload represents dfdaemon upload service.
 service DfdaemonUpload {
  // DownloadTask downloads task from p2p network.
@ -257,9 +528,27 @@ service DfdaemonUpload {
  // DownloadPiece downloads piece from the remote peer.
  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);

+  // DownloadCacheTask downloads cache task from p2p network.
+  rpc DownloadCacheTask(DownloadCacheTaskRequest) returns(stream DownloadCacheTaskResponse);
+
+  // StatCacheTask stats cache task information.
+  rpc StatCacheTask(StatCacheTaskRequest) returns(common.v2.CacheTask);
+
+  // DeleteCacheTask deletes cache task from p2p network.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest) returns(google.protobuf.Empty);
+
+  // SyncCachePieces syncs cache piece metadatas from remote peer.
+  rpc SyncCachePieces(SyncCachePiecesRequest) returns(stream SyncCachePiecesResponse);
+
+  // DownloadCachePiece downloads cache piece from the remote peer.
+  rpc DownloadCachePiece(DownloadCachePieceRequest)returns(DownloadCachePieceResponse);
+
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);

+  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
+  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
+
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);

@ -274,6 +563,9 @@ service DfdaemonUpload {

  // SyncHost sync host info from parents.
  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
+
+  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
+  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
 }

 // DfdaemonDownload represents dfdaemon download service.
@ -281,18 +573,27 @@ service DfdaemonDownload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);

-  // UploadTask uploads task to p2p network.
-  rpc UploadTask(UploadTaskRequest) returns(google.protobuf.Empty);
-
  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);

+  // ListTaskEntries lists task entries for downloading directory.
+  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
+
  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);

  // DeleteHost releases host in scheduler.
  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);

+  // DownloadCacheTask downloads cache task from p2p network.
+  rpc DownloadCacheTask(DownloadCacheTaskRequest) returns(stream DownloadCacheTaskResponse);
+
+  // StatCacheTask stats cache task information.
+  rpc StatCacheTask(StatCacheTaskRequest) returns(common.v2.CacheTask);
+
+  // DeleteCacheTask deletes cache task from p2p network.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest) returns(google.protobuf.Empty);
+
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);

@ -301,7 +602,4 @@ service DfdaemonDownload {

  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
 }
--- a/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
@ -34,8 +34,20 @@ type DfdaemonUploadClient interface {
 	SyncPieces(ctx context.Context, in *SyncPiecesRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncPiecesClient, error)
 	// DownloadPiece downloads piece from the remote peer.
 	DownloadPiece(ctx context.Context, in *DownloadPieceRequest, opts ...grpc.CallOption) (*DownloadPieceResponse, error)
+	// DownloadCacheTask downloads cache task from p2p network.
+	DownloadCacheTask(ctx context.Context, in *DownloadCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonUpload_DownloadCacheTaskClient, error)
+	// StatCacheTask stats cache task information.
+	StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error)
+	// DeleteCacheTask deletes cache task from p2p network.
+	DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// SyncCachePieces syncs cache piece metadatas from remote peer.
+	SyncCachePieces(ctx context.Context, in *SyncCachePiecesRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncCachePiecesClient, error)
+	// DownloadCachePiece downloads cache piece from the remote peer.
+	DownloadCachePiece(ctx context.Context, in *DownloadCachePieceRequest, opts ...grpc.CallOption) (*DownloadCachePieceResponse, error)
 	// DownloadPersistentCacheTask downloads persistent cache task from p2p network.
 	DownloadPersistentCacheTask(ctx context.Context, in *DownloadPersistentCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonUpload_DownloadPersistentCacheTaskClient, error)
+	// UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
+	UpdatePersistentCacheTask(ctx context.Context, in *UpdatePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// StatPersistentCacheTask stats persistent cache task information.
 	StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask deletes persistent cache task from p2p network.
@ -46,6 +58,8 @@ type DfdaemonUploadClient interface {
 	DownloadPersistentCachePiece(ctx context.Context, in *DownloadPersistentCachePieceRequest, opts ...grpc.CallOption) (*DownloadPersistentCachePieceResponse, error)
 	// SyncHost sync host info from parents.
 	SyncHost(ctx context.Context, in *SyncHostRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncHostClient, error)
+	// ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
+	ExchangeIBVerbsQueuePairEndpoint(ctx context.Context, in *ExchangeIBVerbsQueuePairEndpointRequest, opts ...grpc.CallOption) (*ExchangeIBVerbsQueuePairEndpointResponse, error)
 }

 type dfdaemonUploadClient struct {
@ -147,8 +161,99 @@ func (c *dfdaemonUploadClient) DownloadPiece(ctx context.Context, in *DownloadPi
 	return out, nil
 }

+func (c *dfdaemonUploadClient) DownloadCacheTask(ctx context.Context, in *DownloadCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonUpload_DownloadCacheTaskClient, error) {
+	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[2], "/dfdaemon.v2.DfdaemonUpload/DownloadCacheTask", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &dfdaemonUploadDownloadCacheTaskClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type DfdaemonUpload_DownloadCacheTaskClient interface {
+	Recv() (*DownloadCacheTaskResponse, error)
+	grpc.ClientStream
+}
+
+type dfdaemonUploadDownloadCacheTaskClient struct {
+	grpc.ClientStream
+}
+
+func (x *dfdaemonUploadDownloadCacheTaskClient) Recv() (*DownloadCacheTaskResponse, error) {
+	m := new(DownloadCacheTaskResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *dfdaemonUploadClient) StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error) {
+	out := new(v2.CacheTask)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/StatCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dfdaemonUploadClient) DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/DeleteCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dfdaemonUploadClient) SyncCachePieces(ctx context.Context, in *SyncCachePiecesRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncCachePiecesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[3], "/dfdaemon.v2.DfdaemonUpload/SyncCachePieces", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &dfdaemonUploadSyncCachePiecesClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type DfdaemonUpload_SyncCachePiecesClient interface {
+	Recv() (*SyncCachePiecesResponse, error)
+	grpc.ClientStream
+}
+
+type dfdaemonUploadSyncCachePiecesClient struct {
+	grpc.ClientStream
+}
+
+func (x *dfdaemonUploadSyncCachePiecesClient) Recv() (*SyncCachePiecesResponse, error) {
+	m := new(SyncCachePiecesResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *dfdaemonUploadClient) DownloadCachePiece(ctx context.Context, in *DownloadCachePieceRequest, opts ...grpc.CallOption) (*DownloadCachePieceResponse, error) {
+	out := new(DownloadCachePieceResponse)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/DownloadCachePiece", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *dfdaemonUploadClient) DownloadPersistentCacheTask(ctx context.Context, in *DownloadPersistentCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonUpload_DownloadPersistentCacheTaskClient, error) {
-	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[2], "/dfdaemon.v2.DfdaemonUpload/DownloadPersistentCacheTask", opts...)
+	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[4], "/dfdaemon.v2.DfdaemonUpload/DownloadPersistentCacheTask", opts...)
 	if err != nil {
 		return nil, err
 	}
@ -179,6 +284,15 @@ func (x *dfdaemonUploadDownloadPersistentCacheTaskClient) Recv() (*DownloadPersi
 	return m, nil
 }

+func (c *dfdaemonUploadClient) UpdatePersistentCacheTask(ctx context.Context, in *UpdatePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/UpdatePersistentCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *dfdaemonUploadClient) StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error) {
 	out := new(v2.PersistentCacheTask)
 	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/StatPersistentCacheTask", in, out, opts...)
@ -198,7 +312,7 @@ func (c *dfdaemonUploadClient) DeletePersistentCacheTask(ctx context.Context, in
 }

 func (c *dfdaemonUploadClient) SyncPersistentCachePieces(ctx context.Context, in *SyncPersistentCachePiecesRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncPersistentCachePiecesClient, error) {
-	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[3], "/dfdaemon.v2.DfdaemonUpload/SyncPersistentCachePieces", opts...)
+	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[5], "/dfdaemon.v2.DfdaemonUpload/SyncPersistentCachePieces", opts...)
 	if err != nil {
 		return nil, err
 	}
@ -239,7 +353,7 @@ func (c *dfdaemonUploadClient) DownloadPersistentCachePiece(ctx context.Context,
 }

 func (c *dfdaemonUploadClient) SyncHost(ctx context.Context, in *SyncHostRequest, opts ...grpc.CallOption) (DfdaemonUpload_SyncHostClient, error) {
-	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[4], "/dfdaemon.v2.DfdaemonUpload/SyncHost", opts...)
+	stream, err := c.cc.NewStream(ctx, &DfdaemonUpload_ServiceDesc.Streams[6], "/dfdaemon.v2.DfdaemonUpload/SyncHost", opts...)
 	if err != nil {
 		return nil, err
 	}
@ -270,6 +384,15 @@ func (x *dfdaemonUploadSyncHostClient) Recv() (*v2.Host, error) {
 	return m, nil
 }

+func (c *dfdaemonUploadClient) ExchangeIBVerbsQueuePairEndpoint(ctx context.Context, in *ExchangeIBVerbsQueuePairEndpointRequest, opts ...grpc.CallOption) (*ExchangeIBVerbsQueuePairEndpointResponse, error) {
+	out := new(ExchangeIBVerbsQueuePairEndpointResponse)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonUpload/ExchangeIBVerbsQueuePairEndpoint", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // DfdaemonUploadServer is the server API for DfdaemonUpload service.
 // All implementations should embed UnimplementedDfdaemonUploadServer
 // for forward compatibility
@ -284,8 +407,20 @@ type DfdaemonUploadServer interface {
 	SyncPieces(*SyncPiecesRequest, DfdaemonUpload_SyncPiecesServer) error
 	// DownloadPiece downloads piece from the remote peer.
 	DownloadPiece(context.Context, *DownloadPieceRequest) (*DownloadPieceResponse, error)
+	// DownloadCacheTask downloads cache task from p2p network.
+	DownloadCacheTask(*DownloadCacheTaskRequest, DfdaemonUpload_DownloadCacheTaskServer) error
+	// StatCacheTask stats cache task information.
+	StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error)
+	// DeleteCacheTask deletes cache task from p2p network.
+	DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error)
+	// SyncCachePieces syncs cache piece metadatas from remote peer.
+	SyncCachePieces(*SyncCachePiecesRequest, DfdaemonUpload_SyncCachePiecesServer) error
+	// DownloadCachePiece downloads cache piece from the remote peer.
+	DownloadCachePiece(context.Context, *DownloadCachePieceRequest) (*DownloadCachePieceResponse, error)
 	// DownloadPersistentCacheTask downloads persistent cache task from p2p network.
 	DownloadPersistentCacheTask(*DownloadPersistentCacheTaskRequest, DfdaemonUpload_DownloadPersistentCacheTaskServer) error
+	// UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
+	UpdatePersistentCacheTask(context.Context, *UpdatePersistentCacheTaskRequest) (*emptypb.Empty, error)
 	// StatPersistentCacheTask stats persistent cache task information.
 	StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask deletes persistent cache task from p2p network.
@ -296,6 +431,8 @@ type DfdaemonUploadServer interface {
 	DownloadPersistentCachePiece(context.Context, *DownloadPersistentCachePieceRequest) (*DownloadPersistentCachePieceResponse, error)
 	// SyncHost sync host info from parents.
 	SyncHost(*SyncHostRequest, DfdaemonUpload_SyncHostServer) error
+	// ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
+	ExchangeIBVerbsQueuePairEndpoint(context.Context, *ExchangeIBVerbsQueuePairEndpointRequest) (*ExchangeIBVerbsQueuePairEndpointResponse, error)
 }

 // UnimplementedDfdaemonUploadServer should be embedded to have forward compatible implementations.
@ -317,9 +454,27 @@ func (UnimplementedDfdaemonUploadServer) SyncPieces(*SyncPiecesRequest, Dfdaemon
 func (UnimplementedDfdaemonUploadServer) DownloadPiece(context.Context, *DownloadPieceRequest) (*DownloadPieceResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DownloadPiece not implemented")
 }
+func (UnimplementedDfdaemonUploadServer) DownloadCacheTask(*DownloadCacheTaskRequest, DfdaemonUpload_DownloadCacheTaskServer) error {
+	return status.Errorf(codes.Unimplemented, "method DownloadCacheTask not implemented")
+}
+func (UnimplementedDfdaemonUploadServer) StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StatCacheTask not implemented")
+}
+func (UnimplementedDfdaemonUploadServer) DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCacheTask not implemented")
+}
+func (UnimplementedDfdaemonUploadServer) SyncCachePieces(*SyncCachePiecesRequest, DfdaemonUpload_SyncCachePiecesServer) error {
+	return status.Errorf(codes.Unimplemented, "method SyncCachePieces not implemented")
+}
+func (UnimplementedDfdaemonUploadServer) DownloadCachePiece(context.Context, *DownloadCachePieceRequest) (*DownloadCachePieceResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DownloadCachePiece not implemented")
+}
 func (UnimplementedDfdaemonUploadServer) DownloadPersistentCacheTask(*DownloadPersistentCacheTaskRequest, DfdaemonUpload_DownloadPersistentCacheTaskServer) error {
 	return status.Errorf(codes.Unimplemented, "method DownloadPersistentCacheTask not implemented")
 }
+func (UnimplementedDfdaemonUploadServer) UpdatePersistentCacheTask(context.Context, *UpdatePersistentCacheTaskRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdatePersistentCacheTask not implemented")
+}
 func (UnimplementedDfdaemonUploadServer) StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCacheTask not implemented")
 }
@ -335,6 +490,9 @@ func (UnimplementedDfdaemonUploadServer) DownloadPersistentCachePiece(context.Co
 func (UnimplementedDfdaemonUploadServer) SyncHost(*SyncHostRequest, DfdaemonUpload_SyncHostServer) error {
 	return status.Errorf(codes.Unimplemented, "method SyncHost not implemented")
 }
+func (UnimplementedDfdaemonUploadServer) ExchangeIBVerbsQueuePairEndpoint(context.Context, *ExchangeIBVerbsQueuePairEndpointRequest) (*ExchangeIBVerbsQueuePairEndpointResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ExchangeIBVerbsQueuePairEndpoint not implemented")
+}

 // UnsafeDfdaemonUploadServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to DfdaemonUploadServer will
@ -443,6 +601,102 @@ func _DfdaemonUpload_DownloadPiece_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }

+func _DfdaemonUpload_DownloadCacheTask_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(DownloadCacheTaskRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DfdaemonUploadServer).DownloadCacheTask(m, &dfdaemonUploadDownloadCacheTaskServer{stream})
+}
+
+type DfdaemonUpload_DownloadCacheTaskServer interface {
+	Send(*DownloadCacheTaskResponse) error
+	grpc.ServerStream
+}
+
+type dfdaemonUploadDownloadCacheTaskServer struct {
+	grpc.ServerStream
+}
+
+func (x *dfdaemonUploadDownloadCacheTaskServer) Send(m *DownloadCacheTaskResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _DfdaemonUpload_StatCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonUploadServer).StatCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonUpload/StatCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonUploadServer).StatCacheTask(ctx, req.(*StatCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DfdaemonUpload_DeleteCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonUploadServer).DeleteCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonUpload/DeleteCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonUploadServer).DeleteCacheTask(ctx, req.(*DeleteCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DfdaemonUpload_SyncCachePieces_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SyncCachePiecesRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DfdaemonUploadServer).SyncCachePieces(m, &dfdaemonUploadSyncCachePiecesServer{stream})
+}
+
+type DfdaemonUpload_SyncCachePiecesServer interface {
+	Send(*SyncCachePiecesResponse) error
+	grpc.ServerStream
+}
+
+type dfdaemonUploadSyncCachePiecesServer struct {
+	grpc.ServerStream
+}
+
+func (x *dfdaemonUploadSyncCachePiecesServer) Send(m *SyncCachePiecesResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _DfdaemonUpload_DownloadCachePiece_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DownloadCachePieceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonUploadServer).DownloadCachePiece(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonUpload/DownloadCachePiece",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonUploadServer).DownloadCachePiece(ctx, req.(*DownloadCachePieceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _DfdaemonUpload_DownloadPersistentCacheTask_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(DownloadPersistentCacheTaskRequest)
 	if err := stream.RecvMsg(m); err != nil {
@ -464,6 +718,24 @@ func (x *dfdaemonUploadDownloadPersistentCacheTaskServer) Send(m *DownloadPersis
 	return x.ServerStream.SendMsg(m)
 }

+func _DfdaemonUpload_UpdatePersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdatePersistentCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonUploadServer).UpdatePersistentCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonUpload/UpdatePersistentCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonUploadServer).UpdatePersistentCacheTask(ctx, req.(*UpdatePersistentCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _DfdaemonUpload_StatPersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(StatPersistentCacheTaskRequest)
 	if err := dec(in); err != nil {
@ -560,6 +832,24 @@ func (x *dfdaemonUploadSyncHostServer) Send(m *v2.Host) error {
 	return x.ServerStream.SendMsg(m)
 }

+func _DfdaemonUpload_ExchangeIBVerbsQueuePairEndpoint_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ExchangeIBVerbsQueuePairEndpointRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonUploadServer).ExchangeIBVerbsQueuePairEndpoint(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonUpload/ExchangeIBVerbsQueuePairEndpoint",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonUploadServer).ExchangeIBVerbsQueuePairEndpoint(ctx, req.(*ExchangeIBVerbsQueuePairEndpointRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // DfdaemonUpload_ServiceDesc is the grpc.ServiceDesc for DfdaemonUpload service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -579,6 +869,22 @@ var DfdaemonUpload_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DownloadPiece",
 			Handler:    _DfdaemonUpload_DownloadPiece_Handler,
 		},
+		{
+			MethodName: "StatCacheTask",
+			Handler:    _DfdaemonUpload_StatCacheTask_Handler,
+		},
+		{
+			MethodName: "DeleteCacheTask",
+			Handler:    _DfdaemonUpload_DeleteCacheTask_Handler,
+		},
+		{
+			MethodName: "DownloadCachePiece",
+			Handler:    _DfdaemonUpload_DownloadCachePiece_Handler,
+		},
+		{
+			MethodName: "UpdatePersistentCacheTask",
+			Handler:    _DfdaemonUpload_UpdatePersistentCacheTask_Handler,
+		},
 		{
 			MethodName: "StatPersistentCacheTask",
 			Handler:    _DfdaemonUpload_StatPersistentCacheTask_Handler,
@ -591,6 +897,10 @@ var DfdaemonUpload_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DownloadPersistentCachePiece",
 			Handler:    _DfdaemonUpload_DownloadPersistentCachePiece_Handler,
 		},
+		{
+			MethodName: "ExchangeIBVerbsQueuePairEndpoint",
+			Handler:    _DfdaemonUpload_ExchangeIBVerbsQueuePairEndpoint_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@ -603,6 +913,16 @@ var DfdaemonUpload_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _DfdaemonUpload_SyncPieces_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "DownloadCacheTask",
+			Handler:       _DfdaemonUpload_DownloadCacheTask_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "SyncCachePieces",
+			Handler:       _DfdaemonUpload_SyncCachePieces_Handler,
+			ServerStreams: true,
+		},
 		{
 			StreamName:    "DownloadPersistentCacheTask",
 			Handler:       _DfdaemonUpload_DownloadPersistentCacheTask_Handler,
@ -628,22 +948,26 @@ var DfdaemonUpload_ServiceDesc = grpc.ServiceDesc{
 type DfdaemonDownloadClient interface {
 	// DownloadTask downloads task from p2p network.
 	DownloadTask(ctx context.Context, in *DownloadTaskRequest, opts ...grpc.CallOption) (DfdaemonDownload_DownloadTaskClient, error)
-	// UploadTask uploads task to p2p network.
-	UploadTask(ctx context.Context, in *UploadTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// StatTask stats task information.
 	StatTask(ctx context.Context, in *StatTaskRequest, opts ...grpc.CallOption) (*v2.Task, error)
+	// ListTaskEntries lists task entries for downloading directory.
+	ListTaskEntries(ctx context.Context, in *ListTaskEntriesRequest, opts ...grpc.CallOption) (*ListTaskEntriesResponse, error)
 	// DeleteTask deletes task from p2p network.
 	DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// DeleteHost releases host in scheduler.
 	DeleteHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// DownloadCacheTask downloads cache task from p2p network.
+	DownloadCacheTask(ctx context.Context, in *DownloadCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonDownload_DownloadCacheTaskClient, error)
+	// StatCacheTask stats cache task information.
+	StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error)
+	// DeleteCacheTask deletes cache task from p2p network.
+	DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// DownloadPersistentCacheTask downloads persistent cache task from p2p network.
 	DownloadPersistentCacheTask(ctx context.Context, in *DownloadPersistentCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonDownload_DownloadPersistentCacheTaskClient, error)
 	// UploadPersistentCacheTask uploads persistent cache task to p2p network.
 	UploadPersistentCacheTask(ctx context.Context, in *UploadPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
 	// StatPersistentCacheTask stats persistent cache task information.
 	StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
-	// DeletePersistentCacheTask deletes persistent cache task from p2p network.
-	DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 }

 type dfdaemonDownloadClient struct {
@ -686,18 +1010,18 @@ func (x *dfdaemonDownloadDownloadTaskClient) Recv() (*DownloadTaskResponse, erro
 	return m, nil
 }

-func (c *dfdaemonDownloadClient) UploadTask(ctx context.Context, in *UploadTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/UploadTask", in, out, opts...)
+func (c *dfdaemonDownloadClient) StatTask(ctx context.Context, in *StatTaskRequest, opts ...grpc.CallOption) (*v2.Task, error) {
+	out := new(v2.Task)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/StatTask", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }

-func (c *dfdaemonDownloadClient) StatTask(ctx context.Context, in *StatTaskRequest, opts ...grpc.CallOption) (*v2.Task, error) {
-	out := new(v2.Task)
-	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/StatTask", in, out, opts...)
+func (c *dfdaemonDownloadClient) ListTaskEntries(ctx context.Context, in *ListTaskEntriesRequest, opts ...grpc.CallOption) (*ListTaskEntriesResponse, error) {
+	out := new(ListTaskEntriesResponse)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/ListTaskEntries", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -722,8 +1046,58 @@ func (c *dfdaemonDownloadClient) DeleteHost(ctx context.Context, in *emptypb.Emp
 	return out, nil
 }

+func (c *dfdaemonDownloadClient) DownloadCacheTask(ctx context.Context, in *DownloadCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonDownload_DownloadCacheTaskClient, error) {
+	stream, err := c.cc.NewStream(ctx, &DfdaemonDownload_ServiceDesc.Streams[1], "/dfdaemon.v2.DfdaemonDownload/DownloadCacheTask", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &dfdaemonDownloadDownloadCacheTaskClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type DfdaemonDownload_DownloadCacheTaskClient interface {
+	Recv() (*DownloadCacheTaskResponse, error)
+	grpc.ClientStream
+}
+
+type dfdaemonDownloadDownloadCacheTaskClient struct {
+	grpc.ClientStream
+}
+
+func (x *dfdaemonDownloadDownloadCacheTaskClient) Recv() (*DownloadCacheTaskResponse, error) {
+	m := new(DownloadCacheTaskResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *dfdaemonDownloadClient) StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error) {
+	out := new(v2.CacheTask)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/StatCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dfdaemonDownloadClient) DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/DeleteCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *dfdaemonDownloadClient) DownloadPersistentCacheTask(ctx context.Context, in *DownloadPersistentCacheTaskRequest, opts ...grpc.CallOption) (DfdaemonDownload_DownloadPersistentCacheTaskClient, error) {
-	stream, err := c.cc.NewStream(ctx, &DfdaemonDownload_ServiceDesc.Streams[1], "/dfdaemon.v2.DfdaemonDownload/DownloadPersistentCacheTask", opts...)
+	stream, err := c.cc.NewStream(ctx, &DfdaemonDownload_ServiceDesc.Streams[2], "/dfdaemon.v2.DfdaemonDownload/DownloadPersistentCacheTask", opts...)
 	if err != nil {
 		return nil, err
 	}
@ -772,37 +1146,32 @@ func (c *dfdaemonDownloadClient) StatPersistentCacheTask(ctx context.Context, in
 	return out, nil
 }

-func (c *dfdaemonDownloadClient) DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/dfdaemon.v2.DfdaemonDownload/DeletePersistentCacheTask", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // DfdaemonDownloadServer is the server API for DfdaemonDownload service.
 // All implementations should embed UnimplementedDfdaemonDownloadServer
 // for forward compatibility
 type DfdaemonDownloadServer interface {
 	// DownloadTask downloads task from p2p network.
 	DownloadTask(*DownloadTaskRequest, DfdaemonDownload_DownloadTaskServer) error
-	// UploadTask uploads task to p2p network.
-	UploadTask(context.Context, *UploadTaskRequest) (*emptypb.Empty, error)
 	// StatTask stats task information.
 	StatTask(context.Context, *StatTaskRequest) (*v2.Task, error)
+	// ListTaskEntries lists task entries for downloading directory.
+	ListTaskEntries(context.Context, *ListTaskEntriesRequest) (*ListTaskEntriesResponse, error)
 	// DeleteTask deletes task from p2p network.
 	DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error)
 	// DeleteHost releases host in scheduler.
 	DeleteHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error)
+	// DownloadCacheTask downloads cache task from p2p network.
+	DownloadCacheTask(*DownloadCacheTaskRequest, DfdaemonDownload_DownloadCacheTaskServer) error
+	// StatCacheTask stats cache task information.
+	StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error)
+	// DeleteCacheTask deletes cache task from p2p network.
+	DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error)
 	// DownloadPersistentCacheTask downloads persistent cache task from p2p network.
 	DownloadPersistentCacheTask(*DownloadPersistentCacheTaskRequest, DfdaemonDownload_DownloadPersistentCacheTaskServer) error
 	// UploadPersistentCacheTask uploads persistent cache task to p2p network.
 	UploadPersistentCacheTask(context.Context, *UploadPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
 	// StatPersistentCacheTask stats persistent cache task information.
 	StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
-	// DeletePersistentCacheTask deletes persistent cache task from p2p network.
-	DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error)
 }

 // UnimplementedDfdaemonDownloadServer should be embedded to have forward compatible implementations.
@ -812,18 +1181,27 @@ type UnimplementedDfdaemonDownloadServer struct {
 func (UnimplementedDfdaemonDownloadServer) DownloadTask(*DownloadTaskRequest, DfdaemonDownload_DownloadTaskServer) error {
 	return status.Errorf(codes.Unimplemented, "method DownloadTask not implemented")
 }
-func (UnimplementedDfdaemonDownloadServer) UploadTask(context.Context, *UploadTaskRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UploadTask not implemented")
-}
 func (UnimplementedDfdaemonDownloadServer) StatTask(context.Context, *StatTaskRequest) (*v2.Task, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatTask not implemented")
 }
+func (UnimplementedDfdaemonDownloadServer) ListTaskEntries(context.Context, *ListTaskEntriesRequest) (*ListTaskEntriesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListTaskEntries not implemented")
+}
 func (UnimplementedDfdaemonDownloadServer) DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteTask not implemented")
 }
 func (UnimplementedDfdaemonDownloadServer) DeleteHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteHost not implemented")
 }
+func (UnimplementedDfdaemonDownloadServer) DownloadCacheTask(*DownloadCacheTaskRequest, DfdaemonDownload_DownloadCacheTaskServer) error {
+	return status.Errorf(codes.Unimplemented, "method DownloadCacheTask not implemented")
+}
+func (UnimplementedDfdaemonDownloadServer) StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StatCacheTask not implemented")
+}
+func (UnimplementedDfdaemonDownloadServer) DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCacheTask not implemented")
+}
 func (UnimplementedDfdaemonDownloadServer) DownloadPersistentCacheTask(*DownloadPersistentCacheTaskRequest, DfdaemonDownload_DownloadPersistentCacheTaskServer) error {
 	return status.Errorf(codes.Unimplemented, "method DownloadPersistentCacheTask not implemented")
 }
@ -833,9 +1211,6 @@ func (UnimplementedDfdaemonDownloadServer) UploadPersistentCacheTask(context.Con
 func (UnimplementedDfdaemonDownloadServer) StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCacheTask not implemented")
 }
-func (UnimplementedDfdaemonDownloadServer) DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCacheTask not implemented")
-}

 // UnsafeDfdaemonDownloadServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to DfdaemonDownloadServer will
@ -869,24 +1244,6 @@ func (x *dfdaemonDownloadDownloadTaskServer) Send(m *DownloadTaskResponse) error
 	return x.ServerStream.SendMsg(m)
 }

-func _DfdaemonDownload_UploadTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(UploadTaskRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(DfdaemonDownloadServer).UploadTask(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/dfdaemon.v2.DfdaemonDownload/UploadTask",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(DfdaemonDownloadServer).UploadTask(ctx, req.(*UploadTaskRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _DfdaemonDownload_StatTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(StatTaskRequest)
 	if err := dec(in); err != nil {
@ -905,6 +1262,24 @@ func _DfdaemonDownload_StatTask_Handler(srv interface{}, ctx context.Context, de
 	return interceptor(ctx, in, info, handler)
 }

+func _DfdaemonDownload_ListTaskEntries_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListTaskEntriesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonDownloadServer).ListTaskEntries(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonDownload/ListTaskEntries",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonDownloadServer).ListTaskEntries(ctx, req.(*ListTaskEntriesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _DfdaemonDownload_DeleteTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(DeleteTaskRequest)
 	if err := dec(in); err != nil {
@ -941,6 +1316,63 @@ func _DfdaemonDownload_DeleteHost_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }

+func _DfdaemonDownload_DownloadCacheTask_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(DownloadCacheTaskRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DfdaemonDownloadServer).DownloadCacheTask(m, &dfdaemonDownloadDownloadCacheTaskServer{stream})
+}
+
+type DfdaemonDownload_DownloadCacheTaskServer interface {
+	Send(*DownloadCacheTaskResponse) error
+	grpc.ServerStream
+}
+
+type dfdaemonDownloadDownloadCacheTaskServer struct {
+	grpc.ServerStream
+}
+
+func (x *dfdaemonDownloadDownloadCacheTaskServer) Send(m *DownloadCacheTaskResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _DfdaemonDownload_StatCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonDownloadServer).StatCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonDownload/StatCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonDownloadServer).StatCacheTask(ctx, req.(*StatCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DfdaemonDownload_DeleteCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DfdaemonDownloadServer).DeleteCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/dfdaemon.v2.DfdaemonDownload/DeleteCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DfdaemonDownloadServer).DeleteCacheTask(ctx, req.(*DeleteCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _DfdaemonDownload_DownloadPersistentCacheTask_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(DownloadPersistentCacheTaskRequest)
 	if err := stream.RecvMsg(m); err != nil {
@ -998,24 +1430,6 @@ func _DfdaemonDownload_StatPersistentCacheTask_Handler(srv interface{}, ctx cont
 	return interceptor(ctx, in, info, handler)
 }

-func _DfdaemonDownload_DeletePersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeletePersistentCacheTaskRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(DfdaemonDownloadServer).DeletePersistentCacheTask(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/dfdaemon.v2.DfdaemonDownload/DeletePersistentCacheTask",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(DfdaemonDownloadServer).DeletePersistentCacheTask(ctx, req.(*DeletePersistentCacheTaskRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // DfdaemonDownload_ServiceDesc is the grpc.ServiceDesc for DfdaemonDownload service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -1023,14 +1437,14 @@ var DfdaemonDownload_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "dfdaemon.v2.DfdaemonDownload",
 	HandlerType: (*DfdaemonDownloadServer)(nil),
 	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "UploadTask",
-			Handler:    _DfdaemonDownload_UploadTask_Handler,
-		},
 		{
 			MethodName: "StatTask",
 			Handler:    _DfdaemonDownload_StatTask_Handler,
 		},
+		{
+			MethodName: "ListTaskEntries",
+			Handler:    _DfdaemonDownload_ListTaskEntries_Handler,
+		},
 		{
 			MethodName: "DeleteTask",
 			Handler:    _DfdaemonDownload_DeleteTask_Handler,
@ -1039,6 +1453,14 @@ var DfdaemonDownload_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteHost",
 			Handler:    _DfdaemonDownload_DeleteHost_Handler,
 		},
+		{
+			MethodName: "StatCacheTask",
+			Handler:    _DfdaemonDownload_StatCacheTask_Handler,
+		},
+		{
+			MethodName: "DeleteCacheTask",
+			Handler:    _DfdaemonDownload_DeleteCacheTask_Handler,
+		},
 		{
 			MethodName: "UploadPersistentCacheTask",
 			Handler:    _DfdaemonDownload_UploadPersistentCacheTask_Handler,
@ -1047,10 +1469,6 @@ var DfdaemonDownload_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "StatPersistentCacheTask",
 			Handler:    _DfdaemonDownload_StatPersistentCacheTask_Handler,
 		},
-		{
-			MethodName: "DeletePersistentCacheTask",
-			Handler:    _DfdaemonDownload_DeletePersistentCacheTask_Handler,
-		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@ -1058,6 +1476,11 @@ var DfdaemonDownload_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _DfdaemonDownload_DownloadTask_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "DownloadCacheTask",
+			Handler:       _DfdaemonDownload_DownloadCacheTask_Handler,
+			ServerStreams: true,
+		},
 		{
 			StreamName:    "DownloadPersistentCacheTask",
 			Handler:       _DfdaemonDownload_DownloadPersistentCacheTask_Handler,
--- a/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
+++ b/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
--- a/pkg/apis/manager/v2/manager.pb.go
+++ b/pkg/apis/manager/v2/manager.pb.go
@ -1053,6 +1053,8 @@ type UpdateSchedulerRequest struct {
 	Port int32 `protobuf:"varint,7,opt,name=port,proto3" json:"port,omitempty"`
 	// Scheduler features.
 	Features []string `protobuf:"bytes,8,rep,name=features,proto3" json:"features,omitempty"`
+	// Scheduler configuration.
+	Config []byte `protobuf:"bytes,9,opt,name=config,proto3" json:"config,omitempty"`
 }

 func (x *UpdateSchedulerRequest) Reset() {
@ -1143,6 +1145,13 @@ func (x *UpdateSchedulerRequest) GetFeatures() []string {
 	return nil
 }

+func (x *UpdateSchedulerRequest) GetConfig() []byte {
+	if x != nil {
+		return x.Config
+	}
+	return nil
+}
+
 // ListSchedulersRequest represents request of ListSchedulers.
 type ListSchedulersRequest struct {
 	state         protoimpl.MessageState
@ -1163,6 +1172,8 @@ type ListSchedulersRequest struct {
 	Version string `protobuf:"bytes,6,opt,name=version,proto3" json:"version,omitempty"`
 	// Dfdaemon commit.
 	Commit string `protobuf:"bytes,7,opt,name=commit,proto3" json:"commit,omitempty"`
+	// ID of the cluster to which the scheduler belongs.
+	SchedulerClusterId uint64 `protobuf:"varint,8,opt,name=scheduler_cluster_id,json=schedulerClusterId,proto3" json:"scheduler_cluster_id,omitempty"`
 }

 func (x *ListSchedulersRequest) Reset() {
@ -1246,6 +1257,13 @@ func (x *ListSchedulersRequest) GetCommit() string {
 	return ""
 }

+func (x *ListSchedulersRequest) GetSchedulerClusterId() uint64 {
+	if x != nil {
+		return x.SchedulerClusterId
+	}
+	return 0
+}
+
 // ListSchedulersResponse represents response of ListSchedulers.
 type ListSchedulersResponse struct {
 	state         protoimpl.MessageState
@ -1855,7 +1873,7 @@ var file_pkg_apis_manager_v2_manager_proto_rawDesc = []byte{
 	0x12, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65,
 	0x72, 0x49, 0x64, 0x12, 0x1a, 0x0a, 0x02, 0x69, 0x70, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x42,
 	0x0a, 0xfa, 0x42, 0x07, 0x72, 0x05, 0x70, 0x01, 0xd0, 0x01, 0x01, 0x52, 0x02, 0x69, 0x70, 0x22,
-	0xfd, 0x02, 0x0a, 0x16, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x53, 0x63, 0x68, 0x65, 0x64, 0x75,
+	0x95, 0x03, 0x0a, 0x16, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x53, 0x63, 0x68, 0x65, 0x64, 0x75,
 	0x6c, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x41, 0x0a, 0x0b, 0x73, 0x6f,
 	0x75, 0x72, 0x63, 0x65, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32,
 	0x16, 0x2e, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72, 0x2e, 0x76, 0x32, 0x2e, 0x53, 0x6f, 0x75,
@ -1877,140 +1895,144 @@ var file_pkg_apis_manager_v2_manager_proto_rawDesc = []byte{
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 }

 var (
--- a/pkg/apis/manager/v2/manager.pb.validate.go
+++ b/pkg/apis/manager/v2/manager.pb.validate.go
@ -1836,6 +1836,8 @@ func (m *UpdateSchedulerRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}

+	// no validation rules for Config
+
 	if m.Idc != nil {

 		if m.GetIdc() != "" {
@ -2070,6 +2072,8 @@ func (m *ListSchedulersRequest) validate(all bool) error {

 	}

+	// no validation rules for SchedulerClusterId
+
 	if m.Idc != nil {

 		if m.GetIdc() != "" {
--- a/pkg/apis/manager/v2/manager.proto
+++ b/pkg/apis/manager/v2/manager.proto
@ -214,6 +214,8 @@ message UpdateSchedulerRequest {
  int32 port = 7 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // Scheduler features.
  repeated string features = 8;
+  // Scheduler configuration.
+  bytes config = 9;
 }

 // ListSchedulersRequest represents request of ListSchedulers.
@ -232,6 +234,8 @@ message ListSchedulersRequest {
  string version = 6 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon commit.
  string commit = 7 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  // ID of the cluster to which the scheduler belongs.
+  uint64 scheduler_cluster_id = 8;
 }

 // ListSchedulersResponse represents response of ListSchedulers.
--- a/pkg/apis/scheduler/v1/scheduler.pb.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.go
@ -352,6 +352,8 @@ type PeerHost struct {
 	Location string `protobuf:"bytes,7,opt,name=location,proto3" json:"location,omitempty"`
 	// IDC where the peer host is located
 	Idc string `protobuf:"bytes,8,opt,name=idc,proto3" json:"idc,omitempty"`
+	// Port of proxy server.
+	ProxyPort int32 `protobuf:"varint,9,opt,name=proxy_port,json=proxyPort,proto3" json:"proxy_port,omitempty"`
 }

 func (x *PeerHost) Reset() {
@ -435,6 +437,13 @@ func (x *PeerHost) GetIdc() string {
 	return ""
 }

+func (x *PeerHost) GetProxyPort() int32 {
+	if x != nil {
+		return x.ProxyPort
+	}
+	return 0
+}
+
 // PieceResult represents request of ReportPieceResult.
 type PieceResult struct {
 	state         protoimpl.MessageState
@ -1247,6 +1256,8 @@ type AnnounceHostRequest struct {
 	SchedulerClusterId uint64 `protobuf:"varint,17,opt,name=scheduler_cluster_id,json=schedulerClusterId,proto3" json:"scheduler_cluster_id,omitempty"`
 	// Port of object storage server.
 	ObjectStoragePort int32 `protobuf:"varint,18,opt,name=object_storage_port,json=objectStoragePort,proto3" json:"object_storage_port,omitempty"`
+	// Port of proxy server.
+	ProxyPort int32 `protobuf:"varint,19,opt,name=proxy_port,json=proxyPort,proto3" json:"proxy_port,omitempty"`
 }

 func (x *AnnounceHostRequest) Reset() {
@ -1407,6 +1418,13 @@ func (x *AnnounceHostRequest) GetObjectStoragePort() int32 {
 	return 0
 }

+func (x *AnnounceHostRequest) GetProxyPort() int32 {
+	if x != nil {
+		return x.ProxyPort
+	}
+	return 0
+}
+
 // CPU Stat.
 type CPU struct {
 	state         protoimpl.MessageState
@ -2107,8 +2125,8 @@ var file_pkg_apis_scheduler_v1_scheduler_proto_rawDesc = []byte{
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+	0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x2e, 0x50, 0x65, 0x65, 0x72, 0x54, 0x61,
+	0x72, 0x67, 0x65, 0x74, 0x1a, 0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x12, 0x46, 0x0a, 0x0c,
+	0x41, 0x6e, 0x6e, 0x6f, 0x75, 0x6e, 0x63, 0x65, 0x48, 0x6f, 0x73, 0x74, 0x12, 0x1e, 0x2e, 0x73,
+	0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x2e, 0x41, 0x6e, 0x6e, 0x6f, 0x75, 0x6e, 0x63,
+	0x65, 0x48, 0x6f, 0x73, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x67,
+	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45,
+	0x6d, 0x70, 0x74, 0x79, 0x12, 0x40, 0x0a, 0x09, 0x4c, 0x65, 0x61, 0x76, 0x65, 0x48, 0x6f, 0x73,
+	0x74, 0x12, 0x1b, 0x2e, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x2e, 0x4c, 0x65,
+	0x61, 0x76, 0x65, 0x48, 0x6f, 0x73, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16,
+	0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x42, 0x2f, 0x5a, 0x2d, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f,
+	0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73,
+	0x2f, 0x73, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x2f, 0x76, 0x31, 0x3b, 0x73, 0x63,
+	0x68, 0x65, 0x64, 0x75, 0x6c, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
--- a/pkg/apis/scheduler/v1/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.validate.go
@ -680,6 +680,17 @@ func (m *PeerHost) validate(all bool) error {

 	// no validation rules for Idc

+	if val := m.GetProxyPort(); val < 1024 || val >= 65535 {
+		err := PeerHostValidationError{
+			field:  "ProxyPort",
+			reason: "value must be inside range [1024, 65535)",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
 	if len(errors) > 0 {
 		return PeerHostMultiError(errors)
 	}
@ -2505,6 +2516,21 @@ func (m *AnnounceHostRequest) validate(all bool) error {

 	}

+	if m.GetProxyPort() != 0 {
+
+		if val := m.GetProxyPort(); val < 1024 || val >= 65535 {
+			err := AnnounceHostRequestValidationError{
+				field:  "ProxyPort",
+				reason: "value must be inside range [1024, 65535)",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+
+	}
+
 	if len(errors) > 0 {
 		return AnnounceHostRequestMultiError(errors)
 	}
--- a/pkg/apis/scheduler/v1/scheduler.proto
+++ b/pkg/apis/scheduler/v1/scheduler.proto
@ -89,6 +89,8 @@ message PeerHost{
  string location = 7;
  // IDC where the peer host is located
  string idc = 8;
+  // Port of proxy server.
+  int32 proxy_port = 9 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
 }

 // PieceResult represents request of ReportPieceResult.
@ -267,6 +269,8 @@ message AnnounceHostRequest{
  uint64 scheduler_cluster_id = 17;
  // Port of object storage server.
  int32 object_storage_port = 18 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
+  // Port of proxy server.
+  int32 proxy_port = 19 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
 }

 // CPU Stat.
--- a/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
+++ b/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
@ -45,6 +45,26 @@ func (m *MockSchedulerClient) EXPECT() *MockSchedulerClientMockRecorder {
 	return m.recorder
 }

+// AnnounceCachePeer mocks base method.
+func (m *MockSchedulerClient) AnnounceCachePeer(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_AnnounceCachePeerClient, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "AnnounceCachePeer", varargs...)
+	ret0, _ := ret[0].(scheduler.Scheduler_AnnounceCachePeerClient)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// AnnounceCachePeer indicates an expected call of AnnounceCachePeer.
+func (mr *MockSchedulerClientMockRecorder) AnnounceCachePeer(ctx any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceCachePeer", reflect.TypeOf((*MockSchedulerClient)(nil).AnnounceCachePeer), varargs...)
+}
+
 // AnnounceHost mocks base method.
 func (m *MockSchedulerClient) AnnounceHost(ctx context.Context, in *scheduler.AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -105,6 +125,46 @@ func (mr *MockSchedulerClientMockRecorder) AnnouncePersistentCachePeer(ctx any,
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnouncePersistentCachePeer", reflect.TypeOf((*MockSchedulerClient)(nil).AnnouncePersistentCachePeer), varargs...)
 }

+// DeleteCachePeer mocks base method.
+func (m *MockSchedulerClient) DeleteCachePeer(ctx context.Context, in *scheduler.DeleteCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "DeleteCachePeer", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// DeleteCachePeer indicates an expected call of DeleteCachePeer.
+func (mr *MockSchedulerClientMockRecorder) DeleteCachePeer(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteCachePeer", reflect.TypeOf((*MockSchedulerClient)(nil).DeleteCachePeer), varargs...)
+}
+
+// DeleteCacheTask mocks base method.
+func (m *MockSchedulerClient) DeleteCacheTask(ctx context.Context, in *scheduler.DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "DeleteCacheTask", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// DeleteCacheTask indicates an expected call of DeleteCacheTask.
+func (mr *MockSchedulerClientMockRecorder) DeleteCacheTask(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteCacheTask", reflect.TypeOf((*MockSchedulerClient)(nil).DeleteCacheTask), varargs...)
+}
+
 // DeleteHost mocks base method.
 func (m *MockSchedulerClient) DeleteHost(ctx context.Context, in *scheduler.DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -225,6 +285,86 @@ func (mr *MockSchedulerClientMockRecorder) ListHosts(ctx, in any, opts ...any) *
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListHosts", reflect.TypeOf((*MockSchedulerClient)(nil).ListHosts), varargs...)
 }

+// PreheatImage mocks base method.
+func (m *MockSchedulerClient) PreheatImage(ctx context.Context, in *scheduler.PreheatImageRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "PreheatImage", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PreheatImage indicates an expected call of PreheatImage.
+func (mr *MockSchedulerClientMockRecorder) PreheatImage(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PreheatImage", reflect.TypeOf((*MockSchedulerClient)(nil).PreheatImage), varargs...)
+}
+
+// StatCachePeer mocks base method.
+func (m *MockSchedulerClient) StatCachePeer(ctx context.Context, in *scheduler.StatCachePeerRequest, opts ...grpc.CallOption) (*common.CachePeer, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "StatCachePeer", varargs...)
+	ret0, _ := ret[0].(*common.CachePeer)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatCachePeer indicates an expected call of StatCachePeer.
+func (mr *MockSchedulerClientMockRecorder) StatCachePeer(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatCachePeer", reflect.TypeOf((*MockSchedulerClient)(nil).StatCachePeer), varargs...)
+}
+
+// StatCacheTask mocks base method.
+func (m *MockSchedulerClient) StatCacheTask(ctx context.Context, in *scheduler.StatCacheTaskRequest, opts ...grpc.CallOption) (*common.CacheTask, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "StatCacheTask", varargs...)
+	ret0, _ := ret[0].(*common.CacheTask)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatCacheTask indicates an expected call of StatCacheTask.
+func (mr *MockSchedulerClientMockRecorder) StatCacheTask(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatCacheTask", reflect.TypeOf((*MockSchedulerClient)(nil).StatCacheTask), varargs...)
+}
+
+// StatImage mocks base method.
+func (m *MockSchedulerClient) StatImage(ctx context.Context, in *scheduler.StatImageRequest, opts ...grpc.CallOption) (*scheduler.StatImageResponse, error) {
+	m.ctrl.T.Helper()
+	varargs := []any{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "StatImage", varargs...)
+	ret0, _ := ret[0].(*scheduler.StatImageResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatImage indicates an expected call of StatImage.
+func (mr *MockSchedulerClientMockRecorder) StatImage(ctx, in any, opts ...any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]any{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatImage", reflect.TypeOf((*MockSchedulerClient)(nil).StatImage), varargs...)
+}
+
 // StatPeer mocks base method.
 func (m *MockSchedulerClient) StatPeer(ctx context.Context, in *scheduler.StatPeerRequest, opts ...grpc.CallOption) (*common.Peer, error) {
 	m.ctrl.T.Helper()
@ -503,6 +643,144 @@ func (mr *MockScheduler_AnnouncePeerClientMockRecorder) Trailer() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_AnnouncePeerClient)(nil).Trailer))
 }

+// MockScheduler_AnnounceCachePeerClient is a mock of Scheduler_AnnounceCachePeerClient interface.
+type MockScheduler_AnnounceCachePeerClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockScheduler_AnnounceCachePeerClientMockRecorder
+	isgomock struct{}
+}
+
+// MockScheduler_AnnounceCachePeerClientMockRecorder is the mock recorder for MockScheduler_AnnounceCachePeerClient.
+type MockScheduler_AnnounceCachePeerClientMockRecorder struct {
+	mock *MockScheduler_AnnounceCachePeerClient
+}
+
+// NewMockScheduler_AnnounceCachePeerClient creates a new mock instance.
+func NewMockScheduler_AnnounceCachePeerClient(ctrl *gomock.Controller) *MockScheduler_AnnounceCachePeerClient {
+	mock := &MockScheduler_AnnounceCachePeerClient{ctrl: ctrl}
+	mock.recorder = &MockScheduler_AnnounceCachePeerClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockScheduler_AnnounceCachePeerClient) EXPECT() *MockScheduler_AnnounceCachePeerClientMockRecorder {
+	return m.recorder
+}
+
+// CloseSend mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) CloseSend() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseSend")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CloseSend indicates an expected call of CloseSend.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) CloseSend() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).CloseSend))
+}
+
+// Context mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).Context))
+}
+
+// Header mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) Header() (metadata.MD, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Header")
+	ret0, _ := ret[0].(metadata.MD)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Header indicates an expected call of Header.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) Header() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).Header))
+}
+
+// Recv mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) Recv() (*scheduler.AnnounceCachePeerResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*scheduler.AnnounceCachePeerResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockScheduler_AnnounceCachePeerClient) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) RecvMsg(m any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) Send(arg0 *scheduler.AnnounceCachePeerRequest) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) Send(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).Send), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockScheduler_AnnounceCachePeerClient) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) SendMsg(m any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).SendMsg), m)
+}
+
+// Trailer mocks base method.
+func (m *MockScheduler_AnnounceCachePeerClient) Trailer() metadata.MD {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Trailer")
+	ret0, _ := ret[0].(metadata.MD)
+	return ret0
+}
+
+// Trailer indicates an expected call of Trailer.
+func (mr *MockScheduler_AnnounceCachePeerClientMockRecorder) Trailer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_AnnounceCachePeerClient)(nil).Trailer))
+}
+
 // MockScheduler_AnnouncePersistentCachePeerClient is a mock of Scheduler_AnnouncePersistentCachePeerClient interface.
 type MockScheduler_AnnouncePersistentCachePeerClient struct {
 	ctrl     *gomock.Controller
@ -665,6 +943,20 @@ func (m *MockSchedulerServer) EXPECT() *MockSchedulerServerMockRecorder {
 	return m.recorder
 }

+// AnnounceCachePeer mocks base method.
+func (m *MockSchedulerServer) AnnounceCachePeer(arg0 scheduler.Scheduler_AnnounceCachePeerServer) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "AnnounceCachePeer", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// AnnounceCachePeer indicates an expected call of AnnounceCachePeer.
+func (mr *MockSchedulerServerMockRecorder) AnnounceCachePeer(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceCachePeer", reflect.TypeOf((*MockSchedulerServer)(nil).AnnounceCachePeer), arg0)
+}
+
 // AnnounceHost mocks base method.
 func (m *MockSchedulerServer) AnnounceHost(arg0 context.Context, arg1 *scheduler.AnnounceHostRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -708,6 +1000,36 @@ func (mr *MockSchedulerServerMockRecorder) AnnouncePersistentCachePeer(arg0 any)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnouncePersistentCachePeer", reflect.TypeOf((*MockSchedulerServer)(nil).AnnouncePersistentCachePeer), arg0)
 }

+// DeleteCachePeer mocks base method.
+func (m *MockSchedulerServer) DeleteCachePeer(arg0 context.Context, arg1 *scheduler.DeleteCachePeerRequest) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteCachePeer", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// DeleteCachePeer indicates an expected call of DeleteCachePeer.
+func (mr *MockSchedulerServerMockRecorder) DeleteCachePeer(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteCachePeer", reflect.TypeOf((*MockSchedulerServer)(nil).DeleteCachePeer), arg0, arg1)
+}
+
+// DeleteCacheTask mocks base method.
+func (m *MockSchedulerServer) DeleteCacheTask(arg0 context.Context, arg1 *scheduler.DeleteCacheTaskRequest) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteCacheTask", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// DeleteCacheTask indicates an expected call of DeleteCacheTask.
+func (mr *MockSchedulerServerMockRecorder) DeleteCacheTask(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteCacheTask", reflect.TypeOf((*MockSchedulerServer)(nil).DeleteCacheTask), arg0, arg1)
+}
+
 // DeleteHost mocks base method.
 func (m *MockSchedulerServer) DeleteHost(arg0 context.Context, arg1 *scheduler.DeleteHostRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -798,6 +1120,66 @@ func (mr *MockSchedulerServerMockRecorder) ListHosts(arg0, arg1 any) *gomock.Cal
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListHosts", reflect.TypeOf((*MockSchedulerServer)(nil).ListHosts), arg0, arg1)
 }

+// PreheatImage mocks base method.
+func (m *MockSchedulerServer) PreheatImage(arg0 context.Context, arg1 *scheduler.PreheatImageRequest) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "PreheatImage", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PreheatImage indicates an expected call of PreheatImage.
+func (mr *MockSchedulerServerMockRecorder) PreheatImage(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PreheatImage", reflect.TypeOf((*MockSchedulerServer)(nil).PreheatImage), arg0, arg1)
+}
+
+// StatCachePeer mocks base method.
+func (m *MockSchedulerServer) StatCachePeer(arg0 context.Context, arg1 *scheduler.StatCachePeerRequest) (*common.CachePeer, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StatCachePeer", arg0, arg1)
+	ret0, _ := ret[0].(*common.CachePeer)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatCachePeer indicates an expected call of StatCachePeer.
+func (mr *MockSchedulerServerMockRecorder) StatCachePeer(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatCachePeer", reflect.TypeOf((*MockSchedulerServer)(nil).StatCachePeer), arg0, arg1)
+}
+
+// StatCacheTask mocks base method.
+func (m *MockSchedulerServer) StatCacheTask(arg0 context.Context, arg1 *scheduler.StatCacheTaskRequest) (*common.CacheTask, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StatCacheTask", arg0, arg1)
+	ret0, _ := ret[0].(*common.CacheTask)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatCacheTask indicates an expected call of StatCacheTask.
+func (mr *MockSchedulerServerMockRecorder) StatCacheTask(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatCacheTask", reflect.TypeOf((*MockSchedulerServer)(nil).StatCacheTask), arg0, arg1)
+}
+
+// StatImage mocks base method.
+func (m *MockSchedulerServer) StatImage(arg0 context.Context, arg1 *scheduler.StatImageRequest) (*scheduler.StatImageResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "StatImage", arg0, arg1)
+	ret0, _ := ret[0].(*scheduler.StatImageResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// StatImage indicates an expected call of StatImage.
+func (mr *MockSchedulerServerMockRecorder) StatImage(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatImage", reflect.TypeOf((*MockSchedulerServer)(nil).StatImage), arg0, arg1)
+}
+
 // StatPeer mocks base method.
 func (m *MockSchedulerServer) StatPeer(arg0 context.Context, arg1 *scheduler.StatPeerRequest) (*common.Peer, error) {
 	m.ctrl.T.Helper()
@ -1074,6 +1456,141 @@ func (mr *MockScheduler_AnnouncePeerServerMockRecorder) SetTrailer(arg0 any) *go
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_AnnouncePeerServer)(nil).SetTrailer), arg0)
 }

+// MockScheduler_AnnounceCachePeerServer is a mock of Scheduler_AnnounceCachePeerServer interface.
+type MockScheduler_AnnounceCachePeerServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockScheduler_AnnounceCachePeerServerMockRecorder
+	isgomock struct{}
+}
+
+// MockScheduler_AnnounceCachePeerServerMockRecorder is the mock recorder for MockScheduler_AnnounceCachePeerServer.
+type MockScheduler_AnnounceCachePeerServerMockRecorder struct {
+	mock *MockScheduler_AnnounceCachePeerServer
+}
+
+// NewMockScheduler_AnnounceCachePeerServer creates a new mock instance.
+func NewMockScheduler_AnnounceCachePeerServer(ctrl *gomock.Controller) *MockScheduler_AnnounceCachePeerServer {
+	mock := &MockScheduler_AnnounceCachePeerServer{ctrl: ctrl}
+	mock.recorder = &MockScheduler_AnnounceCachePeerServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockScheduler_AnnounceCachePeerServer) EXPECT() *MockScheduler_AnnounceCachePeerServerMockRecorder {
+	return m.recorder
+}
+
+// Context mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).Context))
+}
+
+// Recv mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) Recv() (*scheduler.AnnounceCachePeerRequest, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*scheduler.AnnounceCachePeerRequest)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockScheduler_AnnounceCachePeerServer) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) RecvMsg(m any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) Send(arg0 *scheduler.AnnounceCachePeerResponse) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) Send(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).Send), arg0)
+}
+
+// SendHeader mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) SendHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendHeader indicates an expected call of SendHeader.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).SendHeader), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockScheduler_AnnounceCachePeerServer) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) SendMsg(m any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).SendMsg), m)
+}
+
+// SetHeader mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) SetHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetHeader indicates an expected call of SetHeader.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).SetHeader), arg0)
+}
+
+// SetTrailer mocks base method.
+func (m *MockScheduler_AnnounceCachePeerServer) SetTrailer(arg0 metadata.MD) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetTrailer", arg0)
+}
+
+// SetTrailer indicates an expected call of SetTrailer.
+func (mr *MockScheduler_AnnounceCachePeerServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_AnnounceCachePeerServer)(nil).SetTrailer), arg0)
+}
+
 // MockScheduler_AnnouncePersistentCachePeerServer is a mock of Scheduler_AnnouncePersistentCachePeerServer interface.
 type MockScheduler_AnnouncePersistentCachePeerServer struct {
 	ctrl     *gomock.Controller
--- a/pkg/apis/scheduler/v2/scheduler.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.go
--- a/pkg/apis/scheduler/v2/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.validate.go
--- a/pkg/apis/scheduler/v2/scheduler.proto
+++ b/pkg/apis/scheduler/v2/scheduler.proto
@ -224,18 +224,214 @@ message DeleteHostRequest{
  string host_id = 1 [(validate.rules).string.min_len = 1];
 }

+// RegisterCachePeerRequest represents cache peer registered request of AnnounceCachePeerRequest.
+message RegisterCachePeerRequest {
+   // Download url.
+  string url = 1 [(validate.rules).string.uri = true];
+  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  // Range is url range of request. If protocol is http, range
+  // will set in request header. If protocol is others, range
+  // will set in range field.
+  optional common.v2.Range range = 3;
+  // Task type.
+  common.v2.TaskType type = 4 [(validate.rules).enum.defined_only = true];
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Peer priority.
+  common.v2.Priority priority = 7 [(validate.rules).enum.defined_only = true];
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 8;
+  // Task request headers.
+  map<string, string> request_header = 9;
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
+  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  // Download timeout.
+  optional google.protobuf.Duration timeout = 12;
+  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
+  bool disable_back_to_source = 13;
+  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  bool need_back_to_source = 14;
+  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
+  repeated bytes certificate_chain = 15;
+  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
+  bool prefetch = 16;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 17;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 18;
+  // is_prefetch is the flag to indicate whether the request is a prefetch request.
+  bool is_prefetch = 19;
+  // need_piece_content is the flag to indicate whether the response needs to return piece content.
+  bool need_piece_content = 20;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 21;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 22 [(validate.rules).string = {ip: true, ignore_empty: true}];
+}
+
+// DownloadCachePeerStartedRequest represents cache peer download started request of AnnounceCachePeerRequest.
+message DownloadCachePeerStartedRequest {
+}
+
+// DownloadCachePeerBackToSourceStartedRequest represents cache peer download back-to-source started request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceStartedRequest {
+  // The description of the back-to-source reason.
+  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+}
+
+// RescheduleCachePeerRequest represents reschedule request of AnnounceCachePeerRequest.
+message RescheduleCachePeerRequest {
+  // Candidate parent ids.
+  repeated common.v2.CachePeer candidate_parents = 1;
+
+  // The description of the reschedule reason.
+  optional string description = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+}
+
+// DownloadCachePeerFinishedRequest represents cache peer download finished request of AnnounceCachePeerRequest.
+message DownloadCachePeerFinishedRequest {
+  // Total content length.
+  uint64 content_length = 1;
+  // Total piece count.
+  uint32 piece_count = 2;
+}
+
+// DownloadCachePeerBackToSourceFinishedRequest represents cache peer download back-to-source finished request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceFinishedRequest {
+  // Total content length.
+  uint64 content_length = 1;
+  // Total piece count.
+  uint32 piece_count = 2;
+}
+
+// DownloadCachePeerFailedRequest represents cache peer download failed request of AnnounceCachePeerRequest.
+message DownloadCachePeerFailedRequest {
+  // The description of the download failed.
+  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+}
+
+// DownloadCachePeerBackToSourceFailedRequest represents cache peer download back-to-source failed request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceFailedRequest {
+  // The description of the download back-to-source failed.
+  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+}
+
+// AnnounceCachePeerRequest represents request of AnnounceCachePeer.
+message AnnounceCachePeerRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Peer id.
+  string peer_id = 3 [(validate.rules).string.min_len = 1];
+
+  oneof request {
+    option (validate.required) = true;
+
+    RegisterCachePeerRequest register_cache_peer_request = 4;
+    DownloadCachePeerStartedRequest download_cache_peer_started_request = 5;
+    DownloadCachePeerBackToSourceStartedRequest download_cache_peer_back_to_source_started_request = 6;
+    RescheduleCachePeerRequest reschedule_cache_peer_request = 7;
+    DownloadCachePeerFinishedRequest download_cache_peer_finished_request = 8;
+    DownloadCachePeerBackToSourceFinishedRequest download_cache_peer_back_to_source_finished_request = 9;
+    DownloadCachePeerFailedRequest download_cache_peer_failed_request = 10;
+    DownloadCachePeerBackToSourceFailedRequest download_cache_peer_back_to_source_failed_request = 11;
+    DownloadPieceFinishedRequest download_piece_finished_request = 12;
+    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
+    DownloadPieceFailedRequest download_piece_failed_request = 14;
+    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+  }
+}
+
+// EmptyCacheTaskResponse represents empty cache task response of AnnounceCachePeerResponse.
+message EmptyCacheTaskResponse {
+}
+
+// NormalCacheTaskResponse represents normal cache task response of AnnounceCachePeerResponse.
+message NormalCacheTaskResponse {
+  // Candidate parents.
+  repeated common.v2.CachePeer candidate_parents = 1 [(validate.rules).repeated.min_items = 1];
+}
+
+// AnnounceCachePeerResponse represents response of AnnounceCachePeer.
+message AnnounceCachePeerResponse {
+  oneof response {
+    option (validate.required) = true;
+
+    EmptyCacheTaskResponse empty_cache_task_response = 1;
+    NormalCacheTaskResponse normal_cache_task_response = 2;
+    NeedBackToSourceResponse need_back_to_source_response = 3;
+  }
+}
+
+// StatCachePeerRequest represents request of StatCachePeer.
+message StatCachePeerRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Peer id.
+  string peer_id = 3 [(validate.rules).string.min_len = 1];
+}
+
+// DeleteCachePeerRequest represents request of DeleteCachePeer.
+message DeleteCachePeerRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Peer id.
+  string peer_id = 3 [(validate.rules).string.min_len = 1];
+}
+
+// StatCacheTaskRequest represents request of StatCacheTask.
+message StatCacheTaskRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+}
+
+// DeleteCacheTaskRequest represents request of DeleteCacheTask.
+message DeleteCacheTaskRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+}
+
 // RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
 message RegisterPersistentCachePeerRequest {
+  // Persistent represents whether the persistent cache task is persistent.
+  // If the persistent cache task is persistent, the persistent cache peer will
+  // not be deleted when dfdaemon runs garbage collection.
+  bool persistent = 1;
  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 1;
+  optional string tag = 2;
  // Application of task.
-  optional string application = 2;
-  // Task piece length.
-  uint64 piece_length = 3 [(validate.rules).uint64.gte = 1];
+  optional string application = 3;
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
+  uint64 piece_length = 4 [(validate.rules).uint64.gte = 4194304];
  // File path to be exported.
-  optional string output_path = 4 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
-  optional google.protobuf.Duration timeout = 5;
+  optional google.protobuf.Duration timeout = 6;
 }

 // DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
@ -339,14 +535,14 @@ message UploadPersistentCacheTaskStartedRequest {
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
-  // Task piece length.
-  uint64 piece_length = 7 [(validate.rules).uint64.gte = 1];
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
+  uint64 piece_length = 7 [(validate.rules).uint64.gte = 4194304];
  // Task content length.
  uint64 content_length = 8;
  // Task piece count.
  uint32 piece_count = 9;
  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 10 [(validate.rules).duration = {gte:{seconds: 60}, lte:{seconds: 604800}}];
+  google.protobuf.Duration ttl = 10 [(validate.rules).duration = {gte:{seconds: 300}, lte:{seconds: 604800}}];
 }

 // UploadPersistentCacheTaskFinishedRequest represents upload persistent cache task finished request of UploadPersistentCacheTaskFinishedRequest.
@ -387,6 +583,145 @@ message DeletePersistentCacheTaskRequest {
  string task_id = 2 [(validate.rules).string.min_len = 1];
 }

+// PreheatImageRequest represents request of PreheatImage.
+message PreheatImageRequest {
+  // URL is the image manifest url for preheating.
+  string url = 1 [(validate.rules).string.uri = true];
+	// Piece Length is the piece length(bytes) for downloading file. The value needs to
+	// be greater than 4MiB (4,194,304 bytes) and less than 64MiB (67,108,864 bytes),
+	// for example: 4194304(4mib), 8388608(8mib). If the piece length is not specified,
+	// the piece length will be calculated according to the file size.
+  optional uint64 piece_length = 2 [(validate.rules).uint64 = {gte: 4194304, lte: 67108864, ignore_empty: true}];
+	// Tag is the tag for preheating.
+  optional string tag = 3;
+	// Application is the application string for preheating.
+  optional string application = 4;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 5;
+	// Header is the http headers for authentication.
+  map<string, string> header = 6;
+	// Username is the username for authentication.
+  optional string username = 7;
+	// Password is the password for authentication.
+  optional string password = 8;
+  // Platform is the platform for preheating, such as linux/amd64, linux/arm64, etc.
+  optional string platform = 9;
+  // Scope is the scope for preheating, it can be one of the following values:
+  // - single_seed_peer: preheat from a single seed peer.
+  // - all_seed_peers: preheat from all seed peers.
+  // - all_peers: preheat from all available peers.
+  string scope = 10 [(validate.rules).string.pattern = "^(single_seed_peer|all_seed_peers|all_peers)$"];
+	// IPs is a list of specific peer IPs for preheating.
+	// This field has the highest priority: if provided, both 'Count' and 'Percentage' will be ignored.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  repeated string ips = 11;
+	// Percentage is the percentage of available peers to preheat.
+	// This field has the lowest priority and is only used if both 'IPs' and 'Count' are not provided.
+	// It must be a value between 1 and 100 (inclusive) if provided.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  optional uint32 percentage = 12 [(validate.rules).uint32 = {gte: 1, lte: 100, ignore_empty: true}];
+	// Count is the desired number of peers to preheat.
+	// This field is used only when 'IPs' is not specified. It has priority over 'Percentage'.
+	// It must be a value between 1 and 200 (inclusive) if provided.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  optional uint32 count = 13 [(validate.rules).uint32 = {gte: 1, lte: 200, ignore_empty: true}];
+	// ConcurrentTaskCount specifies the maximum number of tasks (e.g., image layers) to preheat concurrently.
+	// For example, if preheating 100 layers with ConcurrentTaskCount set to 10, up to 10 layers are processed simultaneously.
+	// If ConcurrentPeerCount is 10 for 1000 peers, each layer is preheated by 10 peers concurrently.
+	// Default is 8, maximum is 100.
+  optional int64 concurrent_task_count = 14 [(validate.rules).int64 = {gte: 1, lte: 100, ignore_empty: true}];
+	// ConcurrentPeerCount specifies the maximum number of peers to preheat concurrently for a single task (e.g., an image layer).
+	// For example, if preheating a layer with ConcurrentPeerCount set to 10, up to 10 peers process that layer simultaneously.
+	// Default is 500, maximum is 1000.
+  optional int64 concurrent_peer_count = 15 [(validate.rules).int64 = {gte: 1, lte: 1000, ignore_empty: true}];
+	// Timeout is the timeout for preheating, default is 30 minutes.
+  optional google.protobuf.Duration timeout = 16;
+  // Preheat priority.
+  common.v2.Priority priority = 17 [(validate.rules).enum.defined_only = true];
+  // certificate_chain is the client certs with DER format for the backend client.
+  repeated bytes certificate_chain = 18;
+  // insecure_skip_verify indicates whether to skip TLS verification.
+  bool insecure_skip_verify = 19;
+}
+
+// StatImageRequest represents request of StatImage.
+message StatImageRequest {
+  // URL is the image manifest url for preheating.
+  string url = 1 [(validate.rules).string.uri = true];
+	// Piece Length is the piece length(bytes) for downloading file. The value needs to
+	// be greater than 4MiB (4,194,304 bytes) and less than 64MiB (67,108,864 bytes),
+	// for example: 4194304(4mib), 8388608(8mib). If the piece length is not specified,
+	// the piece length will be calculated according to the file size.
+  optional uint64 piece_length = 2 [(validate.rules).uint64 = {gte: 4194304, lte: 67108864, ignore_empty: true}];
+	// Tag is the tag for preheating.
+  optional string tag = 3;
+	// Application is the application string for preheating.
+  optional string application = 4;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 5;
+	// Header is the http headers for authentication.
+  map<string, string> header = 6;
+	// Username is the username for authentication.
+  optional string username = 7;
+	// Password is the password for authentication.
+  optional string password = 8;
+  // Platform is the platform for preheating, such as linux/amd64, linux/arm64, etc.
+  optional string platform = 9;
+	// ConcurrentLayerCount specifies the maximum number of layers to get concurrently.
+	// For example, if stat 100 layers with ConcurrentLayerCount set to 10, up to 10 layers are processed simultaneously.
+	// If ConcurrentPeerCount is 10 for 1000 peers, each layer is stated by 10 peers concurrently.
+	// Default is 8, maximum is 100.
+  optional int64 concurrent_layer_count = 10 [(validate.rules).int64 = {gte: 1, lte: 100, ignore_empty: true}];
+	// ConcurrentPeerCount specifies the maximum number of peers stat concurrently for a single task (e.g., an image layer).
+	// For example, if stat a layer with ConcurrentPeerCount set to 10, up to 10 peers process that layer simultaneously.
+	// Default is 500, maximum is 1000.
+  optional int64 concurrent_peer_count = 11 [(validate.rules).int64 = {gte: 1, lte: 1000, ignore_empty: true}];
+	// Timeout is the timeout for preheating, default is 30 minutes.
+  optional google.protobuf.Duration timeout = 12;
+  // certificate_chain is the client certs with DER format for the backend client.
+  repeated bytes certificate_chain = 13;
+  // insecure_skip_verify indicates whether to skip TLS verification.
+  bool insecure_skip_verify = 14;
+}
+
+// StatImageResponse represents response of StatImage.
+message StatImageResponse {
+	// Image is the image information.
+	Image image = 1;
+	// Peers is the peers that have downloaded the image.
+	repeated PeerImage peers = 2;
+}
+
+// PeerImage represents a peer in the get image job.
+message PeerImage {
+	// IP is the IP address of the peer.
+  string ip = 1 [(validate.rules).string.ip = true];
+	// Hostname is the hostname of the peer.
+  string hostname = 2 [(validate.rules).string.min_len = 1];
+	// CachedLayers is the list of layers that the peer has downloaded.
+  repeated Layer cached_layers = 3;
+}
+
+// Image represents the image information.
+message Image {
+  // Layers is the list of layers of the image.
+  repeated Layer layers = 1;
+}
+
+// Layer represents a layer of the image.
+message Layer {
+	// URL is the URL of the layer.
+  string url = 1 [(validate.rules).string.uri = true];
+}
+
 // Scheduler RPC Service.
 service Scheduler {
  // AnnouncePeer announces peer to scheduler.
@ -413,6 +748,21 @@ service Scheduler {
  // DeleteHost releases host in scheduler.
  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);

+  // AnnounceCachePeer announces cache peer to scheduler.
+  rpc AnnounceCachePeer(stream AnnounceCachePeerRequest) returns(stream AnnounceCachePeerResponse);
+
+  // Checks information of cache peer.
+  rpc StatCachePeer(StatCachePeerRequest)returns(common.v2.CachePeer);
+
+  // DeleteCachePeer releases cache peer in scheduler.
+  rpc DeleteCachePeer(DeleteCachePeerRequest)returns(google.protobuf.Empty);
+
+  // Checks information of cache task.
+  rpc StatCacheTask(StatCacheTaskRequest)returns(common.v2.CacheTask);
+
+  // DeleteCacheTask releases cache task in scheduler.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest)returns(google.protobuf.Empty);
+
  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);

@ -436,4 +786,23 @@ service Scheduler {

  // DeletePersistentCacheTask releases persistent cache task in scheduler.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
+
+  // PreheatImage synchronously resolves an image manifest and triggers an asynchronous preheat task.
+  //
+  // This is a blocking call. The RPC will not return until the server has completed the
+  // initial synchronous work: resolving the image manifest and preparing all layer URLs.
+  //
+  // After this call successfully returns, a scheduler on the server begins the actual
+  // preheating process, instructing peers to download the layers in the background.
+  //
+  // A successful response (google.protobuf.Empty) confirms that the preparation is complete
+  // and the asynchronous download task has been scheduled.
+  rpc PreheatImage(PreheatImageRequest)returns(google.protobuf.Empty);
+
+  // StatImage provides detailed status for a container image's distribution in peers.
+  //
+  // This is a blocking call that first resolves the image manifest and then queries
+  // all peers to collect the image's download state across the network.
+  // The response includes both layer information and the status on each peer.
+  rpc StatImage(StatImageRequest)returns(StatImageResponse);
 }
--- a/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
@ -40,6 +40,16 @@ type SchedulerClient interface {
 	ListHosts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListHostsResponse, error)
 	// DeleteHost releases host in scheduler.
 	DeleteHost(ctx context.Context, in *DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// AnnounceCachePeer announces cache peer to scheduler.
+	AnnounceCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnounceCachePeerClient, error)
+	// Checks information of cache peer.
+	StatCachePeer(ctx context.Context, in *StatCachePeerRequest, opts ...grpc.CallOption) (*v2.CachePeer, error)
+	// DeleteCachePeer releases cache peer in scheduler.
+	DeleteCachePeer(ctx context.Context, in *DeleteCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Checks information of cache task.
+	StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error)
+	// DeleteCacheTask releases cache task in scheduler.
+	DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
 	AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error)
 	// Checks information of persistent cache peer.
@ -56,6 +66,23 @@ type SchedulerClient interface {
 	StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask releases persistent cache task in scheduler.
 	DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// PreheatImage synchronously resolves an image manifest and triggers an asynchronous preheat task.
+	//
+	// This is a blocking call. The RPC will not return until the server has completed the
+	// initial synchronous work: resolving the image manifest and preparing all layer URLs.
+	//
+	// After this call successfully returns, a scheduler on the server begins the actual
+	// preheating process, instructing peers to download the layers in the background.
+	//
+	// A successful response (google.protobuf.Empty) confirms that the preparation is complete
+	// and the asynchronous download task has been scheduled.
+	PreheatImage(ctx context.Context, in *PreheatImageRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// StatImage provides detailed status for a container image's distribution in peers.
+	//
+	// This is a blocking call that first resolves the image manifest and then queries
+	// all peers to collect the image's download state across the network.
+	// The response includes both layer information and the status on each peer.
+	StatImage(ctx context.Context, in *StatImageRequest, opts ...grpc.CallOption) (*StatImageResponse, error)
 }

 type schedulerClient struct {
@ -160,8 +187,75 @@ func (c *schedulerClient) DeleteHost(ctx context.Context, in *DeleteHostRequest,
 	return out, nil
 }

+func (c *schedulerClient) AnnounceCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnounceCachePeerClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/AnnounceCachePeer", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &schedulerAnnounceCachePeerClient{stream}
+	return x, nil
+}
+
+type Scheduler_AnnounceCachePeerClient interface {
+	Send(*AnnounceCachePeerRequest) error
+	Recv() (*AnnounceCachePeerResponse, error)
+	grpc.ClientStream
+}
+
+type schedulerAnnounceCachePeerClient struct {
+	grpc.ClientStream
+}
+
+func (x *schedulerAnnounceCachePeerClient) Send(m *AnnounceCachePeerRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *schedulerAnnounceCachePeerClient) Recv() (*AnnounceCachePeerResponse, error) {
+	m := new(AnnounceCachePeerResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *schedulerClient) StatCachePeer(ctx context.Context, in *StatCachePeerRequest, opts ...grpc.CallOption) (*v2.CachePeer, error) {
+	out := new(v2.CachePeer)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatCachePeer", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *schedulerClient) DeleteCachePeer(ctx context.Context, in *DeleteCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteCachePeer", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *schedulerClient) StatCacheTask(ctx context.Context, in *StatCacheTaskRequest, opts ...grpc.CallOption) (*v2.CacheTask, error) {
+	out := new(v2.CacheTask)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *schedulerClient) DeleteCacheTask(ctx context.Context, in *DeleteCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteCacheTask", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *schedulerClient) AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error) {
-	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/AnnouncePersistentCachePeer", opts...)
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[2], "/scheduler.v2.Scheduler/AnnouncePersistentCachePeer", opts...)
 	if err != nil {
 		return nil, err
 	}
@ -254,6 +348,24 @@ func (c *schedulerClient) DeletePersistentCacheTask(ctx context.Context, in *Del
 	return out, nil
 }

+func (c *schedulerClient) PreheatImage(ctx context.Context, in *PreheatImageRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/PreheatImage", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *schedulerClient) StatImage(ctx context.Context, in *StatImageRequest, opts ...grpc.CallOption) (*StatImageResponse, error) {
+	out := new(StatImageResponse)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatImage", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // SchedulerServer is the server API for Scheduler service.
 // All implementations should embed UnimplementedSchedulerServer
 // for forward compatibility
@ -274,6 +386,16 @@ type SchedulerServer interface {
 	ListHosts(context.Context, *emptypb.Empty) (*ListHostsResponse, error)
 	// DeleteHost releases host in scheduler.
 	DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error)
+	// AnnounceCachePeer announces cache peer to scheduler.
+	AnnounceCachePeer(Scheduler_AnnounceCachePeerServer) error
+	// Checks information of cache peer.
+	StatCachePeer(context.Context, *StatCachePeerRequest) (*v2.CachePeer, error)
+	// DeleteCachePeer releases cache peer in scheduler.
+	DeleteCachePeer(context.Context, *DeleteCachePeerRequest) (*emptypb.Empty, error)
+	// Checks information of cache task.
+	StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error)
+	// DeleteCacheTask releases cache task in scheduler.
+	DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error)
 	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
 	AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error
 	// Checks information of persistent cache peer.
@ -290,6 +412,23 @@ type SchedulerServer interface {
 	StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
 	// DeletePersistentCacheTask releases persistent cache task in scheduler.
 	DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error)
+	// PreheatImage synchronously resolves an image manifest and triggers an asynchronous preheat task.
+	//
+	// This is a blocking call. The RPC will not return until the server has completed the
+	// initial synchronous work: resolving the image manifest and preparing all layer URLs.
+	//
+	// After this call successfully returns, a scheduler on the server begins the actual
+	// preheating process, instructing peers to download the layers in the background.
+	//
+	// A successful response (google.protobuf.Empty) confirms that the preparation is complete
+	// and the asynchronous download task has been scheduled.
+	PreheatImage(context.Context, *PreheatImageRequest) (*emptypb.Empty, error)
+	// StatImage provides detailed status for a container image's distribution in peers.
+	//
+	// This is a blocking call that first resolves the image manifest and then queries
+	// all peers to collect the image's download state across the network.
+	// The response includes both layer information and the status on each peer.
+	StatImage(context.Context, *StatImageRequest) (*StatImageResponse, error)
 }

 // UnimplementedSchedulerServer should be embedded to have forward compatible implementations.
@ -320,6 +459,21 @@ func (UnimplementedSchedulerServer) ListHosts(context.Context, *emptypb.Empty) (
 func (UnimplementedSchedulerServer) DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteHost not implemented")
 }
+func (UnimplementedSchedulerServer) AnnounceCachePeer(Scheduler_AnnounceCachePeerServer) error {
+	return status.Errorf(codes.Unimplemented, "method AnnounceCachePeer not implemented")
+}
+func (UnimplementedSchedulerServer) StatCachePeer(context.Context, *StatCachePeerRequest) (*v2.CachePeer, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StatCachePeer not implemented")
+}
+func (UnimplementedSchedulerServer) DeleteCachePeer(context.Context, *DeleteCachePeerRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCachePeer not implemented")
+}
+func (UnimplementedSchedulerServer) StatCacheTask(context.Context, *StatCacheTaskRequest) (*v2.CacheTask, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StatCacheTask not implemented")
+}
+func (UnimplementedSchedulerServer) DeleteCacheTask(context.Context, *DeleteCacheTaskRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCacheTask not implemented")
+}
 func (UnimplementedSchedulerServer) AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error {
 	return status.Errorf(codes.Unimplemented, "method AnnouncePersistentCachePeer not implemented")
 }
@ -344,6 +498,12 @@ func (UnimplementedSchedulerServer) StatPersistentCacheTask(context.Context, *St
 func (UnimplementedSchedulerServer) DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCacheTask not implemented")
 }
+func (UnimplementedSchedulerServer) PreheatImage(context.Context, *PreheatImageRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PreheatImage not implemented")
+}
+func (UnimplementedSchedulerServer) StatImage(context.Context, *StatImageRequest) (*StatImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StatImage not implemented")
+}

 // UnsafeSchedulerServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to SchedulerServer will
@ -508,6 +668,104 @@ func _Scheduler_DeleteHost_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }

+func _Scheduler_AnnounceCachePeer_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SchedulerServer).AnnounceCachePeer(&schedulerAnnounceCachePeerServer{stream})
+}
+
+type Scheduler_AnnounceCachePeerServer interface {
+	Send(*AnnounceCachePeerResponse) error
+	Recv() (*AnnounceCachePeerRequest, error)
+	grpc.ServerStream
+}
+
+type schedulerAnnounceCachePeerServer struct {
+	grpc.ServerStream
+}
+
+func (x *schedulerAnnounceCachePeerServer) Send(m *AnnounceCachePeerResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *schedulerAnnounceCachePeerServer) Recv() (*AnnounceCachePeerRequest, error) {
+	m := new(AnnounceCachePeerRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _Scheduler_StatCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatCachePeerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).StatCachePeer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/StatCachePeer",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).StatCachePeer(ctx, req.(*StatCachePeerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Scheduler_DeleteCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCachePeerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).DeleteCachePeer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/DeleteCachePeer",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).DeleteCachePeer(ctx, req.(*DeleteCachePeerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Scheduler_StatCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).StatCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/StatCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).StatCacheTask(ctx, req.(*StatCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Scheduler_DeleteCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCacheTaskRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).DeleteCacheTask(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/DeleteCacheTask",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).DeleteCacheTask(ctx, req.(*DeleteCacheTaskRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Scheduler_AnnouncePersistentCachePeer_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(SchedulerServer).AnnouncePersistentCachePeer(&schedulerAnnouncePersistentCachePeerServer{stream})
 }
@ -660,6 +918,42 @@ func _Scheduler_DeletePersistentCacheTask_Handler(srv interface{}, ctx context.C
 	return interceptor(ctx, in, info, handler)
 }

+func _Scheduler_PreheatImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PreheatImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).PreheatImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/PreheatImage",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).PreheatImage(ctx, req.(*PreheatImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Scheduler_StatImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).StatImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/StatImage",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).StatImage(ctx, req.(*StatImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Scheduler_ServiceDesc is the grpc.ServiceDesc for Scheduler service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -695,6 +989,22 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteHost",
 			Handler:    _Scheduler_DeleteHost_Handler,
 		},
+		{
+			MethodName: "StatCachePeer",
+			Handler:    _Scheduler_StatCachePeer_Handler,
+		},
+		{
+			MethodName: "DeleteCachePeer",
+			Handler:    _Scheduler_DeleteCachePeer_Handler,
+		},
+		{
+			MethodName: "StatCacheTask",
+			Handler:    _Scheduler_StatCacheTask_Handler,
+		},
+		{
+			MethodName: "DeleteCacheTask",
+			Handler:    _Scheduler_DeleteCacheTask_Handler,
+		},
 		{
 			MethodName: "StatPersistentCachePeer",
 			Handler:    _Scheduler_StatPersistentCachePeer_Handler,
@ -723,6 +1033,14 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeletePersistentCacheTask",
 			Handler:    _Scheduler_DeletePersistentCacheTask_Handler,
 		},
+		{
+			MethodName: "PreheatImage",
+			Handler:    _Scheduler_PreheatImage_Handler,
+		},
+		{
+			MethodName: "StatImage",
+			Handler:    _Scheduler_StatImage_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@ -731,6 +1049,12 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
+		{
+			StreamName:    "AnnounceCachePeer",
+			Handler:       _Scheduler_AnnounceCachePeer_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
 		{
 			StreamName:    "AnnouncePersistentCachePeer",
 			Handler:       _Scheduler_AnnouncePersistentCachePeer_Handler,
--- a/proto/common.proto
+++ b/proto/common.proto
@ -42,7 +42,7 @@ enum TaskType {
  // local peer(local cache). When the standard task is never downloaded in the
  // P2P cluster, dfdaemon will download the task from the source. When the standard
  // task is downloaded in the P2P cluster, dfdaemon will download the task from
-  // the remote peer or local peer(local cache).
+  // the remote peer or local peer(local cache), where peers use disk storage to store tasks.
  STANDARD = 0;

  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
@ -56,6 +56,13 @@ enum TaskType {
  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
  // When the expiration time is reached, task will be deleted in the P2P cluster.
  PERSISTENT_CACHE = 2;
+
+  // CACHE is cache type of task, it can download from source, remote peer and
+  // local peer(local cache). When the cache task is never downloaded in the
+  // P2P cluster, dfdaemon will download the cache task from the source. When the cache
+  // task is downloaded in the P2P cluster, dfdaemon will download the cache task from
+  // the remote peer or local peer(local cache), where peers use memory storage to store cache tasks.
+  CACHE = 3;
 }

 // TrafficType represents type of traffic.
@ -132,6 +139,32 @@ message Peer {
  google.protobuf.Timestamp updated_at = 11;
 }

+// CachePeer metadata.
+message CachePeer {
+  // Peer id.
+  string id = 1;
+  // Range is url range of request.
+  optional Range range = 2;
+  // Peer priority.
+  Priority priority = 3;
+  // Pieces of peer.
+  repeated Piece pieces = 4;
+  // Peer downloads costs time.
+  google.protobuf.Duration cost = 5;
+  // Peer state.
+  string state = 6;
+  // Cache Task info.
+  CacheTask task = 7;
+  // Host info.
+  Host host = 8;
+  // NeedBackToSource needs downloaded from source.
+  bool need_back_to_source = 9;
+  // Peer create time.
+  google.protobuf.Timestamp created_at = 10;
+  // Peer update time.
+  google.protobuf.Timestamp updated_at = 11;
+}
+
 // PersistentCachePeer metadata.
 message PersistentCachePeer {
  // Peer id.
@ -163,7 +196,12 @@ message Task {
  TaskType type = 2;
  // Download url.
  string url = 3;
-  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
  optional string digest = 4;
  // URL tag identifies different task for same url.
  optional string tag = 5;
@ -177,26 +215,71 @@ message Task {
  repeated string filtered_query_params = 7;
  // Task request headers.
  map<string, string> request_header = 8;
-  // Task piece length.
-  uint64 piece_length = 9;
  // Task content length.
-  uint64 content_length = 10;
+  uint64 content_length = 9;
  // Task piece count.
-  uint32 piece_count = 11;
+  uint32 piece_count = 10;
  // Task size scope.
-  SizeScope size_scope = 12;
+  SizeScope size_scope = 11;
  // Pieces of task.
-  repeated Piece pieces = 13;
+  repeated Piece pieces = 12;
  // Task state.
-  string state = 14;
+  string state = 13;
  // Task peer count.
-  uint32 peer_count = 15;
+  uint32 peer_count = 14;
  // Task contains available peer.
-  bool has_available_peer = 16;
+  bool has_available_peer = 15;
  // Task create time.
-  google.protobuf.Timestamp created_at = 17;
+  google.protobuf.Timestamp created_at = 16;
  // Task update time.
-  google.protobuf.Timestamp updated_at = 18;
+  google.protobuf.Timestamp updated_at = 17;
+}
+
+// CacheTask metadata.
+message CacheTask {
+  // Task id.
+  string id = 1;
+  // Task type.
+  TaskType type = 2;
+  // Download url.
+  string url = 3;
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
+  optional string digest = 4;
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 7;
+  // Task request headers.
+  map<string, string> request_header = 8;
+  // Task content length.
+  uint64 content_length = 9;
+  // Task piece count.
+  uint32 piece_count = 10;
+  // Task size scope.
+  SizeScope size_scope = 11;
+  // Pieces of task.
+  repeated Piece pieces = 12;
+  // Task state.
+  string state = 13;
+  // Task peer count.
+  uint32 peer_count = 14;
+  // Task contains available peer.
+  bool has_available_peer = 15;
+  // Task create time.
+  google.protobuf.Timestamp created_at = 16;
+  // Task update time.
+  google.protobuf.Timestamp updated_at = 17;
 }

 // PersistentCacheTask metadata.
@ -272,6 +355,8 @@ message Host {
  uint64 scheduler_cluster_id = 17;
  // Disable shared data for other peers.
  bool disable_shared = 18;
+  // Port of proxy server.
+  int32 proxy_port = 19;
 }

 // CPU Stat.
@ -339,14 +424,23 @@ message Network {
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
-  // Download rate is received bytes per second.
-  uint64 download_rate = 5;
-  // Download rate is the limit of received bytes per second.
-  uint64 download_rate_limit = 6;
-  // Upload rate is transmitted bytes per second.
-  uint64 upload_rate = 7;
-  // Upload rate is the limit of transmitted bytes per second.
-  uint64 upload_rate_limit = 8;
+  // Maximum bandwidth of the network interface, in bps (bits per second).
+  uint64 max_rx_bandwidth = 9;
+  // Receive bandwidth of the network interface, in bps (bits per second).
+  optional uint64 rx_bandwidth = 10;
+  // Maximum bandwidth of the network interface for transmission, in bps (bits per second).
+  uint64 max_tx_bandwidth = 11;
+  // Transmit bandwidth of the network interface, in bps (bits per second).
+  optional uint64 tx_bandwidth = 12;
+
+  reserved 5;
+  reserved "download_rate";
+  reserved 6;
+  reserved "download_rate_limit";
+  reserved 7;
+  reserved "upload_rate";
+  reserved 8;
+  reserved "upload_rate_limit";
 }

 // Disk Stat.
@ -415,7 +509,10 @@ message Download {
  map<string, string> request_header = 9;
  // Task piece length.
  optional uint64 piece_length = 10;
-  // File path to be exported.
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 11;
  // Download timeout.
  optional google.protobuf.Duration timeout = 12;
@ -435,10 +532,20 @@ message Download {
  bool is_prefetch = 19;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 20;
-  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-  // Cache storage is designed to store downloaded piece content from preheat tasks, 
-  // allowing other peers to access the content from memory instead of disk.
-  bool load_to_cache = 21;
+  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  bool force_hard_link = 22;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 23;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 24;
+
+  reserved 21;
+  reserved "load_to_cache";
 }

 // Object Storage related information.
@ -457,6 +564,8 @@ message ObjectStorage {
  optional string credential_path = 6;
  // Predefined ACL that used for the Google Cloud Storage service.
  optional string predefined_acl = 7;
+  // Temporary STS security token for accessing OSS.
+  optional string security_token = 8;
 }

 // HDFS related information.
--- a/proto/dfdaemon.proto
+++ b/proto/dfdaemon.proto
@ -43,6 +43,9 @@ message DownloadTaskStartedResponse {

  // Need to download pieces.
  repeated common.v2.Piece pieces = 4;
+
+  // is_finished indicates whether the download task is finished.
+  bool is_finished = 5;
 }

 // DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
@ -100,18 +103,226 @@ message DownloadPieceRequest{
 message DownloadPieceResponse {
  // Piece information.
  common.v2.Piece piece = 1;
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2;
 }

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2;
+  // local_only specifies whether to query task information from local client only.
+  // If true, the query will be restricted to the local client.
+  // By default (false), the query may be forwarded to the scheduler
+  // for a cluster-wide search.
+  bool local_only = 3;
+}
+
+// ListTaskEntriesRequest represents request of ListTaskEntries.
+message ListTaskEntriesRequest {
+  // Task id.
+  string task_id = 1;
+  // URL to be listed the entries.
+  string url = 2;
+  // HTTP header to be sent with the request.
+  map<string, string> request_header = 3;
+  // List timeout.
+  optional google.protobuf.Duration timeout = 4;
+  // certificate_chain is the client certs with DER format for the backend client to list the entries.
+  repeated bytes certificate_chain = 5;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 6;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 7;
+  // Remote IP represents the IP address of the client initiating the list request.
+  optional string remote_ip = 8;
+}
+
+// ListTaskEntriesResponse represents response of ListTaskEntries.
+message ListTaskEntriesResponse {
+  // Content length is the content length of the response
+  uint64 content_length = 1;
+  // HTTP header to be sent with the request.
+  map<string, string> response_header = 2;
+  // Backend HTTP status code.
+  optional int32 status_code = 3;
+  /// Entries is the information of the entries in the directory.
+  repeated Entry entries = 4;
+}
+
+// Entry represents an entry in a directory.
+message Entry {
+  // URL of the entry.
+  string url = 1;
+  // Size of the entry.
+  uint64 content_length = 2;
+  // Is directory or not.
+  bool is_dir = 3;
 }

 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2;
+}
+
+// DownloadCacheTaskRequest represents request of DownloadCacheTask.
+message DownloadCacheTaskRequest {
+  // Download url.
+  string url = 1;
+  // Digest of the task digest, for example :xxx or sha256:yyy.
+  optional string digest = 2;
+  // Range is url range of request. If protocol is http, range
+  // will set in request header. If protocol is others, range
+  // will set in range field.
+  optional common.v2.Range range = 3;
+  // Task type.
+  common.v2.TaskType type = 4;
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Peer priority.
+  common.v2.Priority priority = 7;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 8;
+  // Task request headers.
+  map<string, string> request_header = 9;
+  // Task piece length.
+  optional uint64 piece_length = 10;
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  optional string output_path = 11;
+  // Download timeout.
+  optional google.protobuf.Duration timeout = 12;
+  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
+  bool disable_back_to_source = 13;
+  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  bool need_back_to_source = 14;
+  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
+  repeated bytes certificate_chain = 15;
+  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
+  bool prefetch = 16;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 17;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 18;
+  // is_prefetch is the flag to indicate whether the request is a prefetch request.
+  bool is_prefetch = 19;
+  // need_piece_content is the flag to indicate whether the response needs to return piece content.
+  bool need_piece_content = 20;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 21;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 22;
+}
+
+// DownloadCacheTaskStartedResponse represents cache task download started response of DownloadCacheTaskResponse.
+message DownloadCacheTaskStartedResponse {
+  // Task content length.
+  uint64 content_length = 1;
+
+  // Range is url range of request. If protocol is http, range
+  // is parsed from http header. If other protocol, range comes
+  // from download range field.
+  optional common.v2.Range range = 2;
+
+  // Task response headers.
+  map<string, string> response_header = 3;
+
+  // Need to download pieces.
+  repeated common.v2.Piece pieces = 4;
+
+  // is_finished indicates whether the download task is finished.
+  bool is_finished = 5;
+}
+
+// DownloadCacheTaskResponse represents response of DownloadCacheTask.
+message DownloadCacheTaskResponse {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Peer id.
+  string peer_id = 3;
+
+  oneof response {
+    DownloadCacheTaskStartedResponse download_cache_task_started_response = 4;
+    DownloadPieceFinishedResponse download_piece_finished_response = 5;
+  }
+}
+
+// SyncCachePiecesRequest represents request of SyncCachePieces.
+message SyncCachePiecesRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Interested piece numbers.
+  repeated uint32 interested_cache_piece_numbers = 3;
+}
+
+// SyncCachePiecesResponse represents response of SyncCachePieces.
+message SyncCachePiecesResponse {
+  // Exist piece number.
+  uint32 number = 1;
+  // Piece offset.
+  uint64 offset = 2;
+  // Piece length.
+  uint64 length = 3;
+}
+
+// DownloadCachePieceRequest represents request of DownloadCachePiece.
+message DownloadCachePieceRequest{
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Piece number.
+  uint32 piece_number = 3;
+}
+
+// DownloadCachePieceResponse represents response of DownloadCachePieces.
+message DownloadCachePieceResponse {
+  // Piece information.
+  common.v2.Piece piece = 1;
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2;
+}
+
+// StatCacheTaskRequest represents request of StatCacheTask.
+message StatCacheTaskRequest {
+  // Task id.
+  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2;
+  // local_only specifies whether to query task information from local client only.
+  // If true, the query will be restricted to the local client.
+  // By default (false), the query may be forwarded to the scheduler
+  // for a cluster-wide search.
+  bool local_only = 3;
+}
+
+// DeleteCacheTaskRequest represents request of DeleteCacheTask.
+message DeleteCacheTaskRequest {
+  // Task id.
+  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2;
 }

 // DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
@ -126,12 +337,27 @@ message DownloadPersistentCacheTaskRequest {
  optional string tag = 3;
  // Application of task.
  optional string application = 4;
-  // File path to be exported.
+  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
+  // it will copy the file to the output path after the export is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
  optional string output_path = 5;
  // Download timeout.
  optional google.protobuf.Duration timeout = 6;
  // need_piece_content is the flag to indicate whether the response needs to return piece content.
  bool need_piece_content = 7;
+  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  bool force_hard_link = 8;
+  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+  // Returns an error if the computed digest mismatches the expected value.
+  //
+  // Performance
+  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
+  optional string digest = 9;
+  // Remote IP represents the IP address of the client initiating the download request.
+  optional string remote_ip = 10;
 }

 // DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
@ -157,30 +383,55 @@ message DownloadPersistentCacheTaskResponse {

 // UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
 message UploadPersistentCacheTaskRequest {
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
+  optional string content_for_calculating_task_id = 1;
  // Upload file path of persistent cache task.
-  string path = 1;
+  string path = 2;
  // Replica count of the persistent persistent cache task.
-  uint64 persistent_replica_count = 2;
+  uint64 persistent_replica_count = 3;
  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 3;
-  // Application of task.
-  optional string application = 4;
+  optional string tag = 4;
+  // Application of the persistent cache task.
+  optional string application = 5;
+  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
+  optional uint64 piece_length = 6;
  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 5;
+  google.protobuf.Duration ttl = 7;
  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
+  optional google.protobuf.Duration timeout = 8;
+  // Remote IP represents the IP address of the client initiating the upload request.
+  optional string remote_ip = 9;
+}
+
+// UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
+message UpdatePersistentCacheTaskRequest {
+  // Task id.
+  string task_id = 1;
+  // Persistent represents whether the persistent cache peer is persistent.
+  // If the persistent cache peer is persistent, the persistent cache peer will
+  // not be deleted when dfdaemon runs garbage collection. It only be deleted
+  // when the task is deleted by the user.
+  bool persistent = 2;
+  // Remote IP represents the IP address of the client initiating the list request.
+  optional string remote_ip = 3;
 }

 // StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
 message StatPersistentCacheTaskRequest {
  // Task id.
  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the stat request.
+  optional string remote_ip = 2;
 }

 // DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
 message DeletePersistentCacheTaskRequest {
  // Task id.
  string task_id = 1;
+  // Remote IP represents the IP address of the client initiating the delete request.
+  optional string remote_ip = 2;
 }

 // SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
@ -217,6 +468,8 @@ message DownloadPersistentCachePieceRequest{
 message DownloadPersistentCachePieceResponse {
  // Piece information.
  common.v2.Piece piece = 1;
+  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
+  optional string digest = 2;
 }

 // SyncHostRequest represents request of SyncHost.
@ -227,8 +480,30 @@ message SyncHostRequest {
  string peer_id = 2;
 }

+// IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
+message IBVerbsQueuePairEndpoint {
+  // Number of the queue pair.
+  uint32 num = 1;
+  // Local identifier of the context.
+  uint32 lid = 2;
+  // Global identifier of the context.
+  bytes gid = 3;
+}
+
+// ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
+message ExchangeIBVerbsQueuePairEndpointRequest {
+  // Information of the source's queue pair endpoint of IBVerbs.
+  IBVerbsQueuePairEndpoint endpoint = 1;
+}
+
+// ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
+message ExchangeIBVerbsQueuePairEndpointResponse {
+  // Information of the destination's queue pair endpoint of IBVerbs.
+  IBVerbsQueuePairEndpoint endpoint = 1;
+}
+
 // DfdaemonUpload represents upload service of dfdaemon.
-service DfdaemonUpload{
+service DfdaemonUpload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);

@ -244,9 +519,27 @@ service DfdaemonUpload{
  // DownloadPiece downloads piece from the remote peer.
  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);

+  // DownloadCacheTask downloads cache task from p2p network.
+  rpc DownloadCacheTask(DownloadCacheTaskRequest) returns(stream DownloadCacheTaskResponse);
+
+  // StatCacheTask stats cache task information.
+  rpc StatCacheTask(StatCacheTaskRequest) returns(common.v2.CacheTask);
+
+  // DeleteCacheTask deletes cache task from p2p network.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest) returns(google.protobuf.Empty);
+
+  // SyncCachePieces syncs cache piece metadatas from remote peer.
+  rpc SyncCachePieces(SyncCachePiecesRequest) returns(stream SyncCachePiecesResponse);
+
+  // DownloadCachePiece downloads cache piece from the remote peer.
+  rpc DownloadCachePiece(DownloadCachePieceRequest)returns(DownloadCachePieceResponse);
+
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);

+  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
+  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
+
  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);

@ -261,22 +554,37 @@ service DfdaemonUpload{

  // SyncHost sync host info from parents.
  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
+
+  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
+  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
 }

 // DfdaemonDownload represents download service of dfdaemon.
-service DfdaemonDownload{
+service DfdaemonDownload {
  // DownloadTask downloads task from p2p network.
  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);

  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);

+  // ListTaskEntries lists task entries for downloading directory.
+  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
+
  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);

  // DeleteHost releases host in scheduler.
  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);

+   // DownloadCacheTask downloads cache task from p2p network.
+  rpc DownloadCacheTask(DownloadCacheTaskRequest) returns(stream DownloadCacheTaskResponse);
+
+  // StatCacheTask stats cache task information.
+  rpc StatCacheTask(StatCacheTaskRequest) returns(common.v2.CacheTask);
+
+  // DeleteCacheTask deletes cache task from p2p network.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest) returns(google.protobuf.Empty);
+
  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);

@ -285,7 +593,4 @@ service DfdaemonDownload{

  // StatPersistentCacheTask stats persistent cache task information.
  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
 }
--- a/proto/manager.proto
+++ b/proto/manager.proto
@ -211,6 +211,8 @@ message UpdateSchedulerRequest {
  int32 port = 7;
  // Scheduler features.
  repeated string features = 8;
+  // Scheduler Configuration.
+  bytes config = 9;
 }

 // ListSchedulersRequest represents request of ListSchedulers.
@ -229,6 +231,8 @@ message ListSchedulersRequest {
  string version = 6;
  // Dfdaemon commit.
  string commit = 7;
+  // ID of the cluster to which the scheduler belongs.
+  uint64 scheduler_cluster_id = 8;
 }

 // ListSchedulersResponse represents response of ListSchedulers.
--- a/proto/scheduler.proto
+++ b/proto/scheduler.proto
@ -215,18 +215,209 @@ message DeleteHostRequest{
  string host_id = 1;
 }

+// RegisterCachePeerRequest represents cache peer registered request of AnnounceCachePeerRequest.
+message RegisterCachePeerRequest {
+  // Download url.
+  string url = 1;
+  // Digest of the task digest, for example :xxx or sha256:yyy.
+  optional string digest = 2;
+  // Range is url range of request. If protocol is http, range
+  // will set in request header. If protocol is others, range
+  // will set in range field.
+  optional common.v2.Range range = 3;
+  // Task type.
+  common.v2.TaskType type = 4;
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Peer priority.
+  common.v2.Priority priority = 7;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 8;
+  // Task request headers.
+  map<string, string> request_header = 9;
+  // Task piece length.
+  optional uint64 piece_length = 10;
+  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+  // it will copy the file to the output path after the download is completed.
+  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
+  optional string output_path = 11;
+  // Download timeout.
+  optional google.protobuf.Duration timeout = 12;
+  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
+  bool disable_back_to_source = 13;
+  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  bool need_back_to_source = 14;
+  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
+  repeated bytes certificate_chain = 15;
+  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
+  bool prefetch = 16;
+  // Object storage protocol information.
+  optional common.v2.ObjectStorage object_storage = 17;
+  // HDFS protocol information.
+  optional common.v2.HDFS hdfs = 18;
+  // is_prefetch is the flag to indicate whether the request is a prefetch request.
+  bool is_prefetch = 19;
+  // need_piece_content is the flag to indicate whether the response needs to return piece content.
+  bool need_piece_content = 20;
+  // content_for_calculating_task_id is the content used to calculate the task id.
+  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
+  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+  optional string content_for_calculating_task_id = 21;
+  // remote_ip represents the IP address of the client initiating the download request.
+  // For proxy requests, it is set to the IP address of the request source.
+  // For dfget requests, it is set to the IP address of the dfget.
+  optional string remote_ip = 22;
+}
+
+// DownloadCachePeerStartedRequest represents cache peer download started request of AnnounceCachePeerRequest.
+message DownloadCachePeerStartedRequest {
+}
+
+// DownloadCachePeerBackToSourceStartedRequest represents cache peer download back-to-source started request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceStartedRequest {
+  // The description of the back-to-source reason.
+  optional string description = 1;
+}
+
+// RescheduleCachePeerRequest represents reschedule request of AnnounceCachePeerRequest.
+message RescheduleCachePeerRequest {
+  // Candidate parent ids.
+  repeated common.v2.CachePeer candidate_parents = 1;
+  // The description of the reschedule reason.
+  optional string description = 2;
+}
+
+// DownloadCachePeerFinishedRequest represents cache peer download finished request of AnnounceCachePeerRequest.
+message DownloadCachePeerFinishedRequest {
+  // Total content length.
+  uint64 content_length = 1;
+  // Total piece count.
+  uint32 piece_count = 2;
+}
+
+// DownloadCachePeerBackToSourceFinishedRequest represents cache peer download back-to-source finished request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceFinishedRequest {
+  // Total content length.
+  uint64 content_length = 1;
+  // Total piece count.
+  uint32 piece_count = 2;
+}
+
+// DownloadCachePeerFailedRequest represents cache peer download failed request of AnnounceCachePeerRequest.
+message DownloadCachePeerFailedRequest {
+  // The description of the download failed.
+  optional string description = 1;
+}
+
+// DownloadCachePeerBackToSourceFailedRequest represents cache peer download back-to-source failed request of AnnounceCachePeerRequest.
+message DownloadCachePeerBackToSourceFailedRequest {
+  // The description of the download back-to-source failed.
+  optional string description = 1;
+}
+
+// AnnounceCachePeerRequest represents request of AnnounceCachePeer.
+message AnnounceCachePeerRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Peer id.
+  string peer_id = 3;
+
+  oneof request {
+    RegisterCachePeerRequest register_cache_peer_request = 4;
+    DownloadCachePeerStartedRequest download_cache_peer_started_request = 5;
+    DownloadCachePeerBackToSourceStartedRequest download_cache_peer_back_to_source_started_request = 6;
+    RescheduleCachePeerRequest reschedule_cache_peer_request = 7;
+    DownloadCachePeerFinishedRequest download_cache_peer_finished_request = 8;
+    DownloadCachePeerBackToSourceFinishedRequest download_cache_peer_back_to_source_finished_request = 9;
+    DownloadCachePeerFailedRequest download_cache_peer_failed_request = 10;
+    DownloadCachePeerBackToSourceFailedRequest download_cache_peer_back_to_source_failed_request = 11;
+    DownloadPieceFinishedRequest download_piece_finished_request = 12;
+    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
+    DownloadPieceFailedRequest download_piece_failed_request = 14;
+    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+  }
+}
+
+// EmptyCacheTaskResponse represents empty cache task response of AnnounceCachePeerResponse.
+message EmptyCacheTaskResponse {
+}
+
+// NormalCacheTaskResponse represents normal cache task response of AnnounceCachePeerResponse.
+message NormalCacheTaskResponse {
+  // Candidate parents.
+  repeated common.v2.CachePeer candidate_parents = 1;
+}
+
+// AnnounceCachePeerResponse represents response of AnnounceCachePeer.
+message AnnounceCachePeerResponse {
+  oneof response {
+    EmptyCacheTaskResponse empty_cache_task_response = 1;
+    NormalCacheTaskResponse normal_cache_task_response = 2;
+    NeedBackToSourceResponse need_back_to_source_response = 3;
+  }
+}
+
+// StatCachePeerRequest represents request of StatCachePeer.
+message StatCachePeerRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Peer id.
+  string peer_id = 3;
+}
+
+// DeleteCachePeerRequest represents request of DeleteCachePeer.
+message DeleteCachePeerRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Peer id.
+  string peer_id = 3;
+}
+
+// StatCacheTaskRequest represents request of StatCacheTask.
+message StatCacheTaskRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+}
+
+// DeleteCacheTaskRequest represents request of DeleteCacheTask.
+message DeleteCacheTaskRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+}
+
 // RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
 message RegisterPersistentCachePeerRequest {
+  // Persistent represents whether the persistent cache task is persistent.
+  // If the persistent cache task is persistent, the persistent cache peer will
+  // not be deleted when dfdaemon runs garbage collection.
+  bool persistent = 1;
  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 1;
+  optional string tag = 2;
  // Application of task.
-  optional string application = 2;
-  // Task piece length.
-  uint64 piece_length = 3;
+  optional string application = 3;
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
+  uint64 piece_length = 4;
  // File path to be exported.
-  optional string output_path = 4;
+  optional string output_path = 5;
  // Download timeout.
-  optional google.protobuf.Duration timeout = 5;
+  optional google.protobuf.Duration timeout = 6;
 }

 // DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
@ -326,7 +517,7 @@ message UploadPersistentCacheTaskStartedRequest {
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
-  // Task piece length.
+  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
  uint64 piece_length = 7;
  // Task content length.
  uint64 content_length = 8;
@ -374,8 +565,147 @@ message DeletePersistentCacheTaskRequest {
  string task_id = 2;
 }

+// PreheatImageRequest represents request of PreheatImage.
+message PreheatImageRequest {
+  // URL is the image manifest url for preheating.
+  string url = 1;
+	// Piece Length is the piece length(bytes) for downloading file. The value needs to
+	// be greater than 4MiB (4,194,304 bytes) and less than 64MiB (67,108,864 bytes),
+	// for example: 4194304(4mib), 8388608(8mib). If the piece length is not specified,
+	// the piece length will be calculated according to the file size.
+  optional uint64 piece_length = 2;
+	// Tag is the tag for preheating.
+  optional string tag = 3;
+	// Application is the application string for preheating.
+  optional string application = 4;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 5;
+	// Header is the http headers for authentication.
+  map<string, string> header = 6;
+	// Username is the username for authentication.
+  optional string username = 7;
+	// Password is the password for authentication.
+  optional string password = 8;
+  // Platform is the platform for preheating, such as linux/amd64, linux/arm64, etc.
+  optional string platform = 9;
+  // Scope is the scope for preheating, it can be one of the following values:
+  // - single_seed_peer: preheat from a single seed peer.
+  // - all_peers: preheat from all available peers.
+  // - all_seed_peers: preheat from all seed peers.
+  string scope = 10;
+	// IPs is a list of specific peer IPs for preheating.
+	// This field has the highest priority: if provided, both 'Count' and 'Percentage' will be ignored.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  repeated string ips = 11;
+	// Percentage is the percentage of available peers to preheat.
+	// This field has the lowest priority and is only used if both 'IPs' and 'Count' are not provided.
+	// It must be a value between 1 and 100 (inclusive) if provided.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  optional uint32 percentage = 12;
+	// Count is the desired number of peers to preheat.
+	// This field is used only when 'IPs' is not specified. It has priority over 'Percentage'.
+	// It must be a value between 1 and 200 (inclusive) if provided.
+	// Applies to 'all_peers' and 'all_seed_peers' scopes.
+  optional uint32 count = 13;
+	// ConcurrentTaskCount specifies the maximum number of tasks (e.g., image layers) to preheat concurrently.
+	// For example, if preheating 100 layers with ConcurrentTaskCount set to 10, up to 10 layers are processed simultaneously.
+	// If ConcurrentPeerCount is 10 for 1000 peers, each layer is preheated by 10 peers concurrently.
+	// Default is 8, maximum is 100.
+  optional int64 concurrent_task_count = 14;
+	// ConcurrentPeerCount specifies the maximum number of peers to preheat concurrently for a single task (e.g., an image layer).
+	// For example, if preheating a layer with ConcurrentPeerCount set to 10, up to 10 peers process that layer simultaneously.
+	// Default is 500, maximum is 1000.
+  optional int64 concurrent_peer_count = 15;
+	// Timeout is the timeout for preheating, default is 30 minutes.
+  optional google.protobuf.Duration timeout = 16;
+  // Preheat priority.
+  common.v2.Priority priority = 17;
+  // certificate_chain is the client certs with DER format for the backend client.
+  repeated bytes certificate_chain = 18;
+  // insecure_skip_verify indicates whether to skip TLS verification.
+  bool insecure_skip_verify = 19;
+}
+
+// StatImageRequest represents request of StatImage.
+message StatImageRequest {
+  // URL is the image manifest url for preheating.
+  string url = 1;
+	// Piece Length is the piece length(bytes) for downloading file. The value needs to
+	// be greater than 4MiB (4,194,304 bytes) and less than 64MiB (67,108,864 bytes),
+	// for example: 4194304(4mib), 8388608(8mib). If the piece length is not specified,
+	// the piece length will be calculated according to the file size.
+  optional uint64 piece_length = 2;
+	// Tag is the tag for preheating.
+  optional string tag = 3;
+	// Application is the application string for preheating.
+  optional string application = 4;
+  // Filtered query params to generate the task id.
+  // When filter is ["Signature", "Expires", "ns"], for example:
+  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
+  // will generate the same task id.
+  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+  repeated string filtered_query_params = 5;
+	// Header is the http headers for authentication.
+  map<string, string> header = 6;
+	// Username is the username for authentication.
+  optional string username = 7;
+	// Password is the password for authentication.
+  optional string password = 8;
+  // Platform is the platform for preheating, such as linux/amd64, linux/arm64, etc.
+  optional string platform = 9;
+	// ConcurrentLayerCount specifies the maximum number of layers to get concurrently.
+	// For example, if stat 100 layers with ConcurrentLayerCount set to 10, up to 10 layers are processed simultaneously.
+	// If ConcurrentPeerCount is 10 for 1000 peers, each layer is stated by 10 peers concurrently.
+	// Default is 8, maximum is 100.
+  optional int64 concurrent_layer_count = 10;
+	// ConcurrentPeerCount specifies the maximum number of peers stat concurrently for a single task (e.g., an image layer).
+	// For example, if stat a layer with ConcurrentPeerCount set to 10, up to 10 peers process that layer simultaneously.
+	// Default is 500, maximum is 1000.
+  optional int64 concurrent_peer_count = 11;
+	// Timeout is the timeout for preheating, default is 30 minutes.
+  optional google.protobuf.Duration timeout = 12;
+  // certificate_chain is the client certs with DER format for the backend client.
+  repeated bytes certificate_chain = 13;
+  // insecure_skip_verify indicates whether to skip TLS verification.
+  bool insecure_skip_verify = 14;
+}
+
+// StatImageResponse represents response of StatImage.
+message StatImageResponse {
+	// Image is the image information.
+	Image image = 1;
+	// Peers is the peers that have downloaded the image.
+	repeated PeerImage peers = 2;
+}
+
+// PeerImage represents a peer in the get image job.
+message PeerImage {
+	// IP is the IP address of the peer.
+  string ip = 1;
+	// Hostname is the hostname of the peer.
+  string hostname = 2;
+	// CachedLayers is the list of layers that the peer has downloaded.
+  repeated Layer cached_layers = 3;
+}
+
+// Image represents the image information.
+message Image {
+  // Layers is the list of layers of the image.
+  repeated Layer layers = 1;
+}
+
+// Layer represents a layer of the image.
+message Layer {
+	// URL is the URL of the layer.
+  string url = 1;
+}
+
 // Scheduler RPC Service.
-service Scheduler{
+service Scheduler {
  // AnnouncePeer announces peer to scheduler.
  rpc AnnouncePeer(stream AnnouncePeerRequest) returns(stream AnnouncePeerResponse);

@ -400,6 +730,21 @@ service Scheduler{
  // DeleteHost releases host in scheduler.
  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);

+  // AnnounceCachePeer announces cache peer to scheduler.
+  rpc AnnounceCachePeer(stream AnnounceCachePeerRequest) returns(stream AnnounceCachePeerResponse);
+
+  // Checks information of cache peer.
+  rpc StatCachePeer(StatCachePeerRequest)returns(common.v2.CachePeer);
+
+  // DeletCacheePeer releases cache peer in scheduler.
+  rpc DeleteCachePeer(DeleteCachePeerRequest)returns(google.protobuf.Empty);
+
+  // Checks information of cache task.
+  rpc StatCacheTask(StatCacheTaskRequest)returns(common.v2.CacheTask);
+
+  // DeleteCacheTask releases cache task in scheduler.
+  rpc DeleteCacheTask(DeleteCacheTaskRequest)returns(google.protobuf.Empty);
+
  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);

@ -423,4 +768,23 @@ service Scheduler{

  // DeletePersistentCacheTask releases persistent cache task in scheduler.
  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
+
+  // PreheatImage synchronously resolves an image manifest and triggers an asynchronous preheat task.
+  //
+  // This is a blocking call. The RPC will not return until the server has completed the
+  // initial synchronous work: resolving the image manifest and preparing all layer URLs.
+  //
+  // After this call successfully returns, a scheduler on the server begins the actual
+  // preheating process, instructing peers to download the layers in the background.
+  //
+  // A successful response (google.protobuf.Empty) confirms that the preparation is complete
+  // and the asynchronous download task has been scheduled.
+  rpc PreheatImage(PreheatImageRequest)returns(google.protobuf.Empty);
+
+  // StatImage provides detailed status for a container image's distribution in peers.
+  //
+  // This is a blocking call that first resolves the image manifest and then queries
+  // all peers to collect the image's download state across the network.
+  // The response includes both layer information and the status on each peer.
+  rpc StatImage(StatImageRequest)returns(StatImageResponse);
 }
--- a/src/common.v2.rs
+++ b/src/common.v2.rs
@ -38,6 +38,45 @@ pub struct Peer {
    #[prost(message, optional, tag = "11")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
+/// CachePeer metadata.
+#[derive(serde::Serialize, serde::Deserialize)]
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CachePeer {
+    /// Peer id.
+    #[prost(string, tag = "1")]
+    pub id: ::prost::alloc::string::String,
+    /// Range is url range of request.
+    #[prost(message, optional, tag = "2")]
+    pub range: ::core::option::Option<Range>,
+    /// Peer priority.
+    #[prost(enumeration = "Priority", tag = "3")]
+    pub priority: i32,
+    /// Pieces of peer.
+    #[prost(message, repeated, tag = "4")]
+    pub pieces: ::prost::alloc::vec::Vec<Piece>,
+    /// Peer downloads costs time.
+    #[prost(message, optional, tag = "5")]
+    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
+    /// Peer state.
+    #[prost(string, tag = "6")]
+    pub state: ::prost::alloc::string::String,
+    /// Cache Task info.
+    #[prost(message, optional, tag = "7")]
+    pub task: ::core::option::Option<CacheTask>,
+    /// Host info.
+    #[prost(message, optional, tag = "8")]
+    pub host: ::core::option::Option<Host>,
+    /// NeedBackToSource needs downloaded from source.
+    #[prost(bool, tag = "9")]
+    pub need_back_to_source: bool,
+    /// Peer create time.
+    #[prost(message, optional, tag = "10")]
+    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    /// Peer update time.
+    #[prost(message, optional, tag = "11")]
+    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+}
 /// PersistentCachePeer metadata.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
@ -85,7 +124,12 @@ pub struct Task {
    /// Download url.
    #[prost(string, tag = "3")]
    pub url: ::prost::alloc::string::String,
-    /// Digest of the task digest, for example blake3:xxx or sha256:yyy.
+    /// Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+    /// Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+    /// Returns an error if the computed digest mismatches the expected value.
+    ///
+    /// Performance
+    /// Digest calculation increases processing time. Enable only when data integrity verification is critical.
    #[prost(string, optional, tag = "4")]
    pub digest: ::core::option::Option<::prost::alloc::string::String>,
    /// URL tag identifies different task for same url.
@ -107,35 +151,101 @@ pub struct Task {
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
-    /// Task piece length.
-    #[prost(uint64, tag = "9")]
-    pub piece_length: u64,
    /// Task content length.
-    #[prost(uint64, tag = "10")]
+    #[prost(uint64, tag = "9")]
    pub content_length: u64,
    /// Task piece count.
-    #[prost(uint32, tag = "11")]
+    #[prost(uint32, tag = "10")]
    pub piece_count: u32,
    /// Task size scope.
-    #[prost(enumeration = "SizeScope", tag = "12")]
+    #[prost(enumeration = "SizeScope", tag = "11")]
    pub size_scope: i32,
    /// Pieces of task.
-    #[prost(message, repeated, tag = "13")]
+    #[prost(message, repeated, tag = "12")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Task state.
-    #[prost(string, tag = "14")]
+    #[prost(string, tag = "13")]
    pub state: ::prost::alloc::string::String,
    /// Task peer count.
-    #[prost(uint32, tag = "15")]
+    #[prost(uint32, tag = "14")]
    pub peer_count: u32,
    /// Task contains available peer.
-    #[prost(bool, tag = "16")]
+    #[prost(bool, tag = "15")]
    pub has_available_peer: bool,
    /// Task create time.
-    #[prost(message, optional, tag = "17")]
+    #[prost(message, optional, tag = "16")]
    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
    /// Task update time.
-    #[prost(message, optional, tag = "18")]
+    #[prost(message, optional, tag = "17")]
+    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+}
+/// CacheTask metadata.
+#[derive(serde::Serialize, serde::Deserialize)]
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CacheTask {
+    /// Task id.
+    #[prost(string, tag = "1")]
+    pub id: ::prost::alloc::string::String,
+    /// Task type.
+    #[prost(enumeration = "TaskType", tag = "2")]
+    pub r#type: i32,
+    /// Download url.
+    #[prost(string, tag = "3")]
+    pub url: ::prost::alloc::string::String,
+    /// Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
+    /// Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
+    /// Returns an error if the computed digest mismatches the expected value.
+    ///
+    /// Performance
+    /// Digest calculation increases processing time. Enable only when data integrity verification is critical.
+    #[prost(string, optional, tag = "4")]
+    pub digest: ::core::option::Option<::prost::alloc::string::String>,
+    /// URL tag identifies different task for same url.
+    #[prost(string, optional, tag = "5")]
+    pub tag: ::core::option::Option<::prost::alloc::string::String>,
+    /// Application of task.
+    #[prost(string, optional, tag = "6")]
+    pub application: ::core::option::Option<::prost::alloc::string::String>,
+    /// Filtered query params to generate the task id.
+    /// When filter is \["Signature", "Expires", "ns"\], for example:
+    /// <http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io> and <http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io>
+    /// will generate the same task id.
+    /// Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+    #[prost(string, repeated, tag = "7")]
+    pub filtered_query_params: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    /// Task request headers.
+    #[prost(map = "string, string", tag = "8")]
+    pub request_header: ::std::collections::HashMap<
+        ::prost::alloc::string::String,
+        ::prost::alloc::string::String,
+    >,
+    /// Task content length.
+    #[prost(uint64, tag = "9")]
+    pub content_length: u64,
+    /// Task piece count.
+    #[prost(uint32, tag = "10")]
+    pub piece_count: u32,
+    /// Task size scope.
+    #[prost(enumeration = "SizeScope", tag = "11")]
+    pub size_scope: i32,
+    /// Pieces of task.
+    #[prost(message, repeated, tag = "12")]
+    pub pieces: ::prost::alloc::vec::Vec<Piece>,
+    /// Task state.
+    #[prost(string, tag = "13")]
+    pub state: ::prost::alloc::string::String,
+    /// Task peer count.
+    #[prost(uint32, tag = "14")]
+    pub peer_count: u32,
+    /// Task contains available peer.
+    #[prost(bool, tag = "15")]
+    pub has_available_peer: bool,
+    /// Task create time.
+    #[prost(message, optional, tag = "16")]
+    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    /// Task update time.
+    #[prost(message, optional, tag = "17")]
    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
 }
 /// PersistentCacheTask metadata.
@ -247,6 +357,9 @@ pub struct Host {
    /// Disable shared data for other peers.
    #[prost(bool, tag = "18")]
    pub disable_shared: bool,
+    /// Port of proxy server.
+    #[prost(int32, tag = "19")]
+    pub proxy_port: i32,
 }
 /// CPU Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
@ -347,18 +460,18 @@ pub struct Network {
    /// IDC where the peer host is located
    #[prost(string, optional, tag = "4")]
    pub idc: ::core::option::Option<::prost::alloc::string::String>,
-    /// Download rate is received bytes per second.
-    #[prost(uint64, tag = "5")]
-    pub download_rate: u64,
-    /// Download rate is the limit of received bytes per second.
-    #[prost(uint64, tag = "6")]
-    pub download_rate_limit: u64,
-    /// Upload rate is transmitted bytes per second.
-    #[prost(uint64, tag = "7")]
-    pub upload_rate: u64,
-    /// Upload rate is the limit of transmitted bytes per second.
-    #[prost(uint64, tag = "8")]
-    pub upload_rate_limit: u64,
+    /// Maximum bandwidth of the network interface, in bps (bits per second).
+    #[prost(uint64, tag = "9")]
+    pub max_rx_bandwidth: u64,
+    /// Receive bandwidth of the network interface, in bps (bits per second).
+    #[prost(uint64, optional, tag = "10")]
+    pub rx_bandwidth: ::core::option::Option<u64>,
+    /// Maximum bandwidth of the network interface for transmission, in bps (bits per second).
+    #[prost(uint64, tag = "11")]
+    pub max_tx_bandwidth: u64,
+    /// Transmit bandwidth of the network interface, in bps (bits per second).
+    #[prost(uint64, optional, tag = "12")]
+    pub tx_bandwidth: ::core::option::Option<u64>,
 }
 /// Disk Stat.
 #[derive(serde::Serialize, serde::Deserialize)]
@ -461,7 +574,10 @@ pub struct Download {
    /// Task piece length.
    #[prost(uint64, optional, tag = "10")]
    pub piece_length: ::core::option::Option<u64>,
-    /// File path to be exported.
+    /// File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
+    /// Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
+    /// it will copy the file to the output path after the download is completed.
+    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
    #[prost(string, optional, tag = "11")]
    pub output_path: ::core::option::Option<::prost::alloc::string::String>,
    /// Download timeout.
@ -491,11 +607,22 @@ pub struct Download {
    /// need_piece_content is the flag to indicate whether the response needs to return piece content.
    #[prost(bool, tag = "20")]
    pub need_piece_content: bool,
-    /// load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-    /// Cache storage is designed to store downloaded piece content from preheat tasks,
-    /// allowing other peers to access the content from memory instead of disk.
-    #[prost(bool, tag = "21")]
-    pub load_to_cache: bool,
+    /// force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
+    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
+    #[prost(bool, tag = "22")]
+    pub force_hard_link: bool,
+    /// content_for_calculating_task_id is the content used to calculate the task id.
+    /// If content_for_calculating_task_id is set, use its value to calculate the task ID.
+    /// Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
+    #[prost(string, optional, tag = "23")]
+    pub content_for_calculating_task_id: ::core::option::Option<
+        ::prost::alloc::string::String,
+    >,
+    /// remote_ip represents the IP address of the client initiating the download request.
+    /// For proxy requests, it is set to the IP address of the request source.
+    /// For dfget requests, it is set to the IP address of the dfget.
+    #[prost(string, optional, tag = "24")]
+    pub remote_ip: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Object Storage related information.
 #[derive(serde::Serialize, serde::Deserialize)]
@ -523,6 +650,9 @@ pub struct ObjectStorage {
    /// Predefined ACL that used for the Google Cloud Storage service.
    #[prost(string, optional, tag = "7")]
    pub predefined_acl: ::core::option::Option<::prost::alloc::string::String>,
+    /// Temporary STS security token for accessing OSS.
+    #[prost(string, optional, tag = "8")]
+    pub security_token: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// HDFS related information.
 #[derive(serde::Serialize, serde::Deserialize)]
@ -625,7 +755,7 @@ pub enum TaskType {
    /// local peer(local cache). When the standard task is never downloaded in the
    /// P2P cluster, dfdaemon will download the task from the source. When the standard
    /// task is downloaded in the P2P cluster, dfdaemon will download the task from
-    /// the remote peer or local peer(local cache).
+    /// the remote peer or local peer(local cache), where peers use disk storage to store tasks.
    Standard = 0,
    /// PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
    /// When the persistent task is imported into the P2P cluster, dfdaemon will store
@ -637,6 +767,12 @@ pub enum TaskType {
    /// the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
    /// When the expiration time is reached, task will be deleted in the P2P cluster.
    PersistentCache = 2,
+    /// CACHE is cache type of task, it can download from source, remote peer and
+    /// local peer(local cache). When the cache task is never downloaded in the
+    /// P2P cluster, dfdaemon will download the cache task from the source. When the cache
+    /// task is downloaded in the P2P cluster, dfdaemon will download the cache task from
+    /// the remote peer or local peer(local cache), where peers use memory storage to store cache tasks.
+    Cache = 3,
 }
 impl TaskType {
    /// String value of the enum field names used in the ProtoBuf definition.
@ -648,6 +784,7 @@ impl TaskType {
            TaskType::Standard => "STANDARD",
            TaskType::Persistent => "PERSISTENT",
            TaskType::PersistentCache => "PERSISTENT_CACHE",
+            TaskType::Cache => "CACHE",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
@ -656,6 +793,7 @@ impl TaskType {
            "STANDARD" => Some(Self::Standard),
            "PERSISTENT" => Some(Self::Persistent),
            "PERSISTENT_CACHE" => Some(Self::PersistentCache),
+            "CACHE" => Some(Self::Cache),
            _ => None,
        }
    }
--- a/src/descriptor.bin
+++ b/src/descriptor.bin
--- a/src/dfdaemon.v2.rs
+++ b/src/dfdaemon.v2.rs
--- a/src/manager.v2.rs
+++ b/src/manager.v2.rs
@ -268,6 +268,9 @@ pub struct UpdateSchedulerRequest {
    /// Scheduler features.
    #[prost(string, repeated, tag = "8")]
    pub features: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    /// Scheduler Configuration.
+    #[prost(bytes = "vec", tag = "9")]
+    pub config: ::prost::alloc::vec::Vec<u8>,
 }
 /// ListSchedulersRequest represents request of ListSchedulers.
 #[derive(serde::Serialize, serde::Deserialize)]
@ -295,6 +298,9 @@ pub struct ListSchedulersRequest {
    /// Dfdaemon commit.
    #[prost(string, tag = "7")]
    pub commit: ::prost::alloc::string::String,
+    /// ID of the cluster to which the scheduler belongs.
+    #[prost(uint64, tag = "8")]
+    pub scheduler_cluster_id: u64,
 }
 /// ListSchedulersResponse represents response of ListSchedulers.
 #[derive(serde::Serialize, serde::Deserialize)]
--- a/src/scheduler.v2.rs
+++ b/src/scheduler.v2.rs