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role=none><a role=treeitem title="Instructions to set up an Alibaba Cloud Kubernetes cluster for Istio." href=/v1.21/docs/setup/platform-setup/alicloud/>Alibaba Cloud</a></li><li role=none><a role=treeitem title="Instructions to set up Istio on Amazon EKS in AWS cloud." href=/v1.21/docs/setup/platform-setup/amazon-eks/>Amazon EKS</a></li><li role=none><a role=treeitem title="Instructions to set up an Azure cluster for Istio." href=/v1.21/docs/setup/platform-setup/azure/>Azure</a></li><li role=none><a role=treeitem title="Instructions to set up Docker Desktop for Istio." href=/v1.21/docs/setup/platform-setup/docker/>Docker Desktop</a></li><li role=none><a role=treeitem title="Instructions to set up a Google Kubernetes Engine cluster for Istio." href=/v1.21/docs/setup/platform-setup/gke/>Google Kubernetes Engine</a></li><li role=none><a role=treeitem title="Instructions to set up an Huawei Cloud kubernetes cluster for Istio." href=/v1.21/docs/setup/platform-setup/huaweicloud/>Huawei 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href=/v1.21/docs/setup/install/>Install</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Install and customize any Istio configuration profile for in-depth evaluation or production use." href=/v1.21/docs/setup/install/istioctl/>Install with Istioctl</a></li><li role=none><a role=treeitem title="Instructions to install and configure Istio in a Kubernetes cluster using Helm." href=/v1.21/docs/setup/install/helm/>Install with Helm</a></li><li role=treeitem aria-label="Install Multicluster"><button aria-hidden=true tabindex=-1></button><a title="Install an Istio mesh across multiple Kubernetes clusters." href=/v1.21/docs/setup/install/multicluster/>Install Multicluster</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before installing Istio on multiple clusters." href=/v1.21/docs/setup/install/multicluster/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters." href=/v1.21/docs/setup/install/multicluster/multi-primary/>Install Multi-Primary</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters." href=/v1.21/docs/setup/install/multicluster/primary-remote/>Install Primary-Remote</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters on different networks." href=/v1.21/docs/setup/install/multicluster/multi-primary_multi-network/>Install Multi-Primary on different networks</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters on different networks." href=/v1.21/docs/setup/install/multicluster/primary-remote_multi-network/>Install Primary-Remote on different networks</a></li><li role=none><a role=treeitem title="Verify that Istio has been installed properly on multiple clusters." href=/v1.21/docs/setup/install/multicluster/verify/>Verify the installation</a></li></ul></li><li role=none><a role=treeitem title="Install Istio with an external control plane and a remote cluster data plane." href=/v1.21/docs/setup/install/external-controlplane/>Install Istio with an External Control Plane</a></li><li role=none><a role=treeitem title="Install multiple Istio control planes in a single cluster using revisions and discoverySelectors." href=/v1.21/docs/setup/install/multiple-controlplanes/>Install Multiple Istio Control Planes in a Single Cluster</a></li><li role=none><a role=treeitem title="Deploy Istio and connect a workload running within a virtual machine to it." href=/v1.21/docs/setup/install/virtual-machine/>Virtual Machine Installation</a></li><li role=none><a role=treeitem title="Instructions to install Istio in a Kubernetes cluster using the Istio operator." href=/v1.21/docs/setup/install/operator/>Istio Operator Install</a></li></ul></li><li role=treeitem aria-label=Upgrade><button aria-hidden=true tabindex=-1></button><a title="Upgrade, downgrade, and manage Istio across multiple control plane revisions." href=/v1.21/docs/setup/upgrade/>Upgrade</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Upgrade Istio by first running a canary deployment of a new control plane." href=/v1.21/docs/setup/upgrade/canary/>Canary Upgrades</a></li><li role=none><a role=treeitem title="Upgrade or downgrade Istio in place." href=/v1.21/docs/setup/upgrade/in-place/>In-place Upgrades</a></li><li role=none><a role=treeitem title="Instructions to upgrade Istio using Helm." href=/v1.21/docs/setup/upgrade/helm/>Upgrade with Helm</a></li></ul></li><li role=treeitem aria-label="More Guides"><button aria-hidden=true tabindex=-1></button><a title="More information on additional setup tasks." href=/v1.21/docs/setup/additional-setup/>More Guides</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Try Istio’s features quickly and easily." href=/v1.21/docs/setup/additional-setup/getting-started/>Getting Started with Istio and Kubernetes Gateway API</a></li><li role=none><a role=treeitem title="Describes the built-in Istio installation configuration profiles." href=/v1.21/docs/setup/additional-setup/config-profiles/>Installation Configuration Profiles</a></li><li role=none><a role=treeitem title='How to configure "compatibility versions", to decouple behavioral changes from releases.' href=/v1.21/docs/setup/additional-setup/compatibility-versions/>Compatibility Versions</a></li><li role=none><a role=treeitem title="Install and customize Istio Gateways." href=/v1.21/docs/setup/additional-setup/gateway/>Installing Gateways</a></li><li role=none><a role=treeitem title="Install the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href=/v1.21/docs/setup/additional-setup/sidecar-injection/>Installing the Sidecar</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options." href=/v1.21/docs/setup/additional-setup/customize-installation/>Customizing the installation configuration</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options when installing with helm." href=/v1.21/docs/setup/additional-setup/customize-installation-helm/>Advanced Helm Chart Customization</a></li><li role=none><a role=treeitem title="Install and use Istio in Dual-Stack mode running on a Dual-Stack Kubernetes cluster." href=/v1.21/docs/setup/additional-setup/dual-stack/>Install Istio in Dual-Stack mode</a></li><li role=none><a role=treeitem title="Install and use Istio with the Pod Security admission controller." href=/v1.21/docs/setup/additional-setup/pod-security-admission/>Install Istio with Pod Security Admission</a></li><li role=none><a role=treeitem title="Install and use Istio with the Istio CNI plugin, allowing operators to deploy services with lower privilege." href=/v1.21/docs/setup/additional-setup/cni/>Install Istio with the Istio CNI plugin</a></li></ul></li></ul></li><li role=treeitem aria-label=Tasks><a class=main title="How to do single specific targeted activities with the Istio system." href=/v1.21/docs/tasks/>Tasks</a><ul role=group aria-expanded=true><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Tasks that demonstrate Istio's traffic routing features." href=/v1.21/docs/tasks/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure dynamic request routing to multiple versions of a microservice." href=/v1.21/docs/tasks/traffic-management/request-routing/>Request Routing</a></li><li role=none><a role=treeitem title="This task shows you how to inject faults to test the resiliency of your application." href=/v1.21/docs/tasks/traffic-management/fault-injection/>Fault Injection</a></li><li role=none><a role=treeitem title="Shows you how to migrate traffic from an old to new version of a service." href=/v1.21/docs/tasks/traffic-management/traffic-shifting/>Traffic Shifting</a></li><li role=none><a role=treeitem title="Shows you how to migrate TCP traffic from an old to new version of a TCP service." href=/v1.21/docs/tasks/traffic-management/tcp-traffic-shifting/>TCP Traffic Shifting</a></li><li role=none><a role=treeitem title="This task shows you how to set up request timeouts in Envoy using Istio." href=/v1.21/docs/tasks/traffic-management/request-timeouts/>Request Timeouts</a></li><li role=none><a role=treeitem title="This task shows you how to configure circuit breaking for connections, requests, and outlier detection." href=/v1.21/docs/tasks/traffic-management/circuit-breaking/>Circuit Breaking</a></li><li role=none><a role=treeitem title="This task demonstrates the traffic mirroring/shadowing capabilities of Istio." href=/v1.21/docs/tasks/traffic-management/mirroring/>Mirroring</a></li><li role=treeitem aria-label="Locality Load Balancing"><button aria-hidden=true tabindex=-1></button><a title="This series of tasks demonstrate how to configure locality load balancing in Istio." href=/v1.21/docs/tasks/traffic-management/locality-load-balancing/>Locality Load Balancing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before configuring locality load balancing." href=/v1.21/docs/tasks/traffic-management/locality-load-balancing/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="This task demonstrates how to configure your mesh for locality failover." href=/v1.21/docs/tasks/traffic-management/locality-load-balancing/failover/>Locality failover</a></li><li role=none><a role=treeitem title="This guide demonstrates how to configure locality distribution." href=/v1.21/docs/tasks/traffic-management/locality-load-balancing/distribute/>Locality weighted distribution</a></li><li role=none><a role=treeitem title="Cleanup steps for locality load balancing." href=/v1.21/docs/tasks/traffic-management/locality-load-balancing/cleanup/>Cleanup</a></li></ul></li><li role=treeitem aria-label=Ingress><button aria-hidden=true tabindex=-1></button><a title="Controlling ingress traffic for an Istio service mesh." href=/v1.21/docs/tasks/traffic-management/ingress/>Ingress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure an Istio gateway to expose a service outside of the service mesh." href=/v1.21/docs/tasks/traffic-management/ingress/ingress-control/>Ingress Gateways</a></li><li role=none><a role=treeitem title="Expose a service outside of the service mesh over TLS or mTLS." href=/v1.21/docs/tasks/traffic-management/ingress/secure-ingress/>Secure Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure SNI passthrough for an ingress gateway." href=/v1.21/docs/tasks/traffic-management/ingress/ingress-sni-passthrough/>Ingress Gateway without TLS Termination</a></li><li role=none><a role=treeitem title="Describes how to terminate TLS traffic at a sidecar without using an Ingress Gateway." href=/v1.21/docs/tasks/traffic-management/ingress/ingress-sidecar-tls-termination/>Ingress Sidecar TLS Termination</a></li><li role=none><a role=treeitem title="Describes how to configure a Kubernetes Ingress object to expose a service outside of the service mesh." href=/v1.21/docs/tasks/traffic-management/ingress/kubernetes-ingress/>Kubernetes Ingress</a></li><li role=none><a role=treeitem title="Describes how to configure the Kubernetes Gateway API with Istio." href=/v1.21/docs/tasks/traffic-management/ingress/gateway-api/>Kubernetes Gateway API</a></li></ul></li><li role=treeitem aria-label=Egress><button aria-hidden=true tabindex=-1></button><a title="Controlling egress traffic for an Istio service mesh." href=/v1.21/docs/tasks/traffic-management/egress/>Egress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure Istio to route traffic from services in the mesh to external services." href=/v1.21/docs/tasks/traffic-management/egress/egress-control/>Accessing External Services</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to perform TLS origination for traffic to external services." href=/v1.21/docs/tasks/traffic-management/egress/egress-tls-origination/>Egress TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to direct traffic to external services through a dedicated gateway." href=/v1.21/docs/tasks/traffic-management/egress/egress-gateway/>Egress Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure an Egress Gateway to perform TLS origination to external services." href=/v1.21/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/>Egress Gateways with TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to enable egress traffic for a set of hosts in a common domain, instead of configuring each and every host separately." href=/v1.21/docs/tasks/traffic-management/egress/wildcard-egress-hosts/>Egress using Wildcard Hosts</a></li><li role=none><a role=treeitem title="Shows how to configure Istio for Kubernetes External Services." href=/v1.21/docs/tasks/traffic-management/egress/egress-kubernetes-services/>Kubernetes Services for Egress Traffic</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to let applications use an external HTTPS proxy." href=/v1.21/docs/tasks/traffic-management/egress/http-proxy/>Using an External HTTPS Proxy</a></li></ul></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to secure the mesh." href=/v1.21/docs/tasks/security/>Security</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Certificate Management"><button aria-hidden=true tabindex=-1></button><a title="Management of the certificates in Istio." href=/v1.21/docs/tasks/security/cert-management/>Certificate Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how system administrators can configure Istio's CA with a root certificate, signing certificate and key." href=/v1.21/docs/tasks/security/cert-management/plugin-ca-cert/>Plug in CA Certificates</a></li><li role=none><a role=treeitem title="Shows how to use a Custom Certificate Authority (that integrates with the Kubernetes CSR API) to provision Istio workload certificates (Experimental)" href=/v1.21/docs/tasks/security/cert-management/custom-ca-k8s/>Custom CA Integration using Kubernetes CSR *</a></li></ul></li><li role=treeitem aria-label=Authentication><button aria-hidden=true tabindex=-1></button><a title="Controlling mutual TLS and end-user authentication for mesh services." href=/v1.21/docs/tasks/security/authentication/>Authentication</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to set up mutual TLS and basic end-user authentication." href=/v1.21/docs/tasks/security/authentication/authn-policy/>Authentication Policy</a></li><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to route requests based on JWT claims (Alpha)" href=/v1.21/docs/tasks/security/authentication/jwt-route/>JWT claim based routing *</a></li><li role=none><a role=treeitem title="Shows how users can copy their JWT claims to HTTP headers (Experimental)" href=/v1.21/docs/tasks/security/authentication/claim-to-header/>Copy JWT Claims to HTTP Headers *</a></li><li role=none><a role=treeitem title="Shows you how to incrementally migrate your Istio services to mutual TLS." href=/v1.21/docs/tasks/security/authentication/mtls-migration/>Mutual TLS Migration</a></li></ul></li><li role=treeitem aria-label=Authorization><button aria-hidden=true tabindex=-1></button><a title="Shows how to control access to Istio services." href=/v1.21/docs/tasks/security/authorization/>Authorization</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how to set up access control for HTTP traffic." href=/v1.21/docs/tasks/security/authorization/authz-http/>HTTP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for TCP traffic." href=/v1.21/docs/tasks/security/authorization/authz-tcp/>TCP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for JWT token." href=/v1.21/docs/tasks/security/authorization/authz-jwt/>JWT Token</a></li><li role=none><a role=treeitem title="Shows how to integrate and delegate access control to an external authorization system." href=/v1.21/docs/tasks/security/authorization/authz-custom/>External Authorization</a></li><li role=none><a role=treeitem title="Shows how to set up access control to deny traffic explicitly." href=/v1.21/docs/tasks/security/authorization/authz-deny/>Explicit Deny</a></li><li role=none><a role=treeitem title="Shows how to set up access control on an ingress gateway." href=/v1.21/docs/tasks/security/authorization/authz-ingress/>Ingress Access Control</a></li><li role=none><a role=treeitem title="Shows how to migrate from one trust domain to another without changing authorization policy." href=/v1.21/docs/tasks/security/authorization/authz-td-migration/>Trust Domain Migration</a></li><li role=none><a role=treeitem title="Shows how to dry-run an authorization policy without enforcing it (Alpha)" href=/v1.21/docs/tasks/security/authorization/authz-dry-run/>Dry Run *</a></li></ul></li><li role=treeitem aria-label="TLS Configuration"><button aria-hidden=true tabindex=-1></button><a title="TLS configuration in Istio." href=/v1.21/docs/tasks/security/tls-configuration/>TLS Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how to configure the minimum TLS version for Istio workloads." href=/v1.21/docs/tasks/security/tls-configuration/workload-min-tls-version/>Istio Workload Minimum TLS Version Configuration</a></li></ul></li></ul></li><li role=treeitem aria-label="Policy Enforcement"><button aria-hidden=true tabindex=-1></button><a title="Demonstrates policy enforcement features." href=/v1.21/docs/tasks/policy-enforcement/>Policy Enforcement</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Istio to dynamically limit the traffic to a service." href=/v1.21/docs/tasks/policy-enforcement/rate-limit/>Enabling Rate Limits using Envoy</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to collect telemetry information from the mesh." href=/v1.21/docs/tasks/observability/>Observability</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure the Telemetry API (Alpha)" href=/v1.21/docs/tasks/observability/telemetry/>Telemetry API *</a></li><li role=treeitem aria-label=Metrics><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection and querying of metrics within Istio." href=/v1.21/docs/tasks/observability/metrics/>Metrics</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to customize the Istio metrics with Telemetry API." href=/v1.21/docs/tasks/observability/metrics/telemetry-api/>Customizing Istio Metrics with Telemetry API</a></li><li role=none><a role=treeitem title="This task shows you how to configure Istio to collect metrics for TCP services." href=/v1.21/docs/tasks/observability/metrics/tcp-metrics/>Collecting Metrics for TCP Services</a></li><li role=none><a role=treeitem title="This task shows you how to customize the Istio metrics." href=/v1.21/docs/tasks/observability/metrics/customize-metrics/>Customizing Istio Metrics</a></li><li role=none><a role=treeitem title="This task shows you how to improve telemetry by grouping requests and responses by their type." href=/v1.21/docs/tasks/observability/metrics/classify-metrics/>Classifying Metrics Based on Request or Response</a></li><li role=none><a role=treeitem title="This task shows you how to query for Istio Metrics using Prometheus." href=/v1.21/docs/tasks/observability/metrics/querying-metrics/>Querying Metrics from Prometheus</a></li><li role=none><a role=treeitem title="This task shows you how to set up and use the Istio Dashboard to monitor mesh traffic." href=/v1.21/docs/tasks/observability/metrics/using-istio-dashboard/>Visualizing Metrics with Grafana</a></li></ul></li><li role=treeitem aria-label=Logs><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection of logs within Istio." href=/v1.21/docs/tasks/observability/logs/>Logs</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to send access logs with Telemetry API." href=/v1.21/docs/tasks/observability/logs/telemetry-api/>Configure access logs with Telemetry API</a></li><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to print access logs to their standard output." href=/v1.21/docs/tasks/observability/logs/access-log/>Envoy Access Logs</a></li><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to send access logs with OpenTelemetry collector." href=/v1.21/docs/tasks/observability/logs/otel-provider/>OpenTelemetry</a></li></ul></li><li role=treeitem aria-label="Distributed Tracing"><button aria-hidden=true tabindex=-1></button><a title="This task shows you how to configure Istio-enabled applications to collect trace spans." href=/v1.21/docs/tasks/observability/distributed-tracing/>Distributed Tracing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Overview of distributed tracing in Istio." href=/v1.21/docs/tasks/observability/distributed-tracing/overview/>Overview</a></li><li role=none><a role=treeitem title="How to configure tracing options using Telemetry API." href=/v1.21/docs/tasks/observability/distributed-tracing/telemetry-api/>Configure tracing with Telemetry API</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Apache SkyWalking." href=/v1.21/docs/tasks/observability/distributed-tracing/skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Jaeger." href=/v1.21/docs/tasks/observability/distributed-tracing/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send OpenCensus-formatted spans to OpenTelemetry Collector." href=/v1.21/docs/tasks/observability/distributed-tracing/opencensusagent/>OpenCensus Agent</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Zipkin." href=/v1.21/docs/tasks/observability/distributed-tracing/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to configure tracing options using MeshConfig and pod annotations." href=/v1.21/docs/tasks/observability/distributed-tracing/mesh-and-proxy-config/>Configure tracing using MeshConfig and Pod annotations</a></li><li role=none><a role=treeitem title="How to configure the proxies to send tracing requests to Lightstep." href=/v1.21/docs/tasks/observability/distributed-tracing/lightstep/>Lightstep</a></li></ul></li><li role=none><a role=treeitem title="This task shows you how to visualize your services within an Istio mesh." href=/v1.21/docs/tasks/observability/kiali/>Visualizing Your Mesh</a></li><li role=none><a role=treeitem title="This task shows you how to configure external access to the set of Istio telemetry addons." href=/v1.21/docs/tasks/observability/gateways/>Remotely Accessing Telemetry Addons</a></li></ul></li><li role=treeitem aria-label=Extensibility><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to extend mesh behavior." href=/v1.21/docs/tasks/extensibility/>Extensibility</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to make remote WebAssembly modules available in the mesh (Alpha)" href=/v1.21/docs/tasks/extensibility/wasm-module-distribution/>Distributing WebAssembly Modules *</a></li></ul></li></ul></li><li role=treeitem aria-label=Examples><a class=main title="A variety of fully working example uses for Istio that you can experiment with." href=/v1.21/docs/examples/>Examples</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Deploys a sample application composed of four separate microservices used to demonstrate various Istio features." href=/v1.21/docs/examples/bookinfo/>Bookinfo Application</a></li><li role=none><a role=treeitem title="Run the Bookinfo application with a MySQL service running on a virtual machine within your mesh." href=/v1.21/docs/examples/virtual-machines/>Bookinfo with a Virtual Machine</a></li><li role=treeitem aria-label="Learn Microservices using Kubernetes and Istio"><button aria-hidden=true tabindex=-1></button><a title="This modular tutorial provides new users with hands-on experience using Istio for common microservices scenarios, one step at a time." href=/v1.21/docs/examples/microservices-istio/>Learn Microservices using Kubernetes and Istio</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/prereq/>Prerequisites</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/setup-kubernetes-cluster/>Set up a Kubernetes Cluster</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/setup-local-computer/>Set up a Local Computer</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/single/>Run a Microservice Locally</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/package-service/>Run ratings in Docker</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/bookinfo-kubernetes/>Run Bookinfo with Kubernetes</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/production-testing/>Test in production</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/add-new-microservice-version/>Add a new version of reviews</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/add-istio/>Enable Istio on productpage</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/enable-istio-all-microservices/>Enable Istio on all the microservices</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/istio-ingress-gateway/>Configure Istio Ingress Gateway</a></li><li role=none><a role=treeitem title href=/v1.21/docs/examples/microservices-istio/logs-istio/>Monitoring with Istio</a></li></ul></li></ul></li><li role=treeitem aria-label=Operations><a class=main title="Concepts, tools, and techniques to deploy and manage an Istio mesh." href=/v1.21/docs/ops/>Operations</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Deployment><button aria-hidden=true tabindex=-1></button><a title="Requirements, concepts, and considerations for setting up an Istio deployment." href=/v1.21/docs/ops/deployment/>Deployment</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes Istio's high-level architecture and design goals." href=/v1.21/docs/ops/deployment/architecture/>Architecture</a></li><li role=none><a role=treeitem title="Describes the options and considerations when configuring your Istio deployment." href=/v1.21/docs/ops/deployment/deployment-models/>Deployment Models</a></li><li role=none><a role=treeitem title="Describes Istio's high-level architecture for virtual machines." href=/v1.21/docs/ops/deployment/vm-architecture/>Virtual Machine Architecture</a></li><li role=none><a role=treeitem title="Istio performance and scalability summary." href=/v1.21/docs/ops/deployment/performance-and-scalability/>Performance and Scalability</a></li><li role=none><a role=treeitem title="Requirements of applications deployed in an Istio-enabled cluster." href=/v1.21/docs/ops/deployment/requirements/>Application Requirements</a></li></ul></li><li role=treeitem aria-label=Configuration><button aria-hidden=true tabindex=-1></button><a title="Advanced concepts and features for configuring a running Istio mesh." href=/v1.21/docs/ops/configuration/>Configuration</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Mesh Configuration"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the global mesh configuration." href=/v1.21/docs/ops/configuration/mesh/>Mesh Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Provides a general overview of Istio's use of Kubernetes webhooks and the related issues that can arise." href=/v1.21/docs/ops/configuration/mesh/webhook/>Dynamic Admission Webhooks Overview</a></li><li role=none><a role=treeitem title="Describes how to wait until a resource reaches a given status of readiness." href=/v1.21/docs/ops/configuration/mesh/config-resource-ready/>Wait on Resource Status for Applied Configuration</a></li><li role=none><a role=treeitem title="Shows how to do health checking for Istio services." href=/v1.21/docs/ops/configuration/mesh/app-health-check/>Health Checking of Istio Services</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the networking aspects of a running mesh." href=/v1.21/docs/ops/configuration/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to specify protocols." href=/v1.21/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a></li><li role=none><a role=treeitem title="How to configure certificates within your mesh." href=/v1.21/docs/ops/configuration/traffic-management/manage-mesh-certificates/>Managing In-Mesh Certificates</a></li><li role=none><a role=treeitem title="How to configure TLS settings to secure network traffic." href=/v1.21/docs/ops/configuration/traffic-management/tls-configuration/>TLS Configuration</a></li><li role=none><a role=treeitem title="How Istio routes traffic through the mesh." href=/v1.21/docs/ops/configuration/traffic-management/traffic-routing/>Traffic Routing</a></li><li role=none><a role=treeitem title="How DNS interacts with Istio." href=/v1.21/docs/ops/configuration/traffic-management/dns/>DNS</a></li><li role=none><a role=treeitem title="How to configure gateway network topology (Alpha)" href=/v1.21/docs/ops/configuration/traffic-management/network-topologies/>Configuring Gateway Network Topology *</a></li><li role=none><a role=treeitem title="How to configure DNS proxying." href=/v1.21/docs/ops/configuration/traffic-management/dns-proxy/>DNS Proxying</a></li><li role=none><a role=treeitem title="How to configure how traffic is distributed among clusters in the mesh." href=/v1.21/docs/ops/configuration/traffic-management/multicluster/>Multi-cluster Traffic Management</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the security aspects of a running mesh." href=/v1.21/docs/ops/configuration/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows common examples of using Istio security policy." href=/v1.21/docs/ops/configuration/security/security-policy-examples/>Security policy examples</a></li><li role=none><a role=treeitem title="Use hardened container images to reduce Istio's attack surface." href=/v1.21/docs/ops/configuration/security/harden-docker-images/>Harden Docker Container Images</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Helps you manage telemetry collection and visualization in a running mesh." href=/v1.21/docs/ops/configuration/telemetry/>Observability</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Fine-grained control of Envoy statistics." href=/v1.21/docs/ops/configuration/telemetry/envoy-stats/>Envoy Statistics</a></li><li role=none><a role=treeitem title="Configure Prometheus to monitor multicluster Istio." href=/v1.21/docs/ops/configuration/telemetry/monitoring-multicluster-prometheus/>Monitoring Multicluster Istio with Prometheus</a></li></ul></li><li role=treeitem aria-label=Extensibility><button aria-hidden=true tabindex=-1></button><a title="Helps you manage extensions to the service mesh." href=/v1.21/docs/ops/configuration/extensibility/>Extensibility</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how Istio determines whether to pull Wasm modules or use cached versions (Alpha)" href=/v1.21/docs/ops/configuration/extensibility/wasm-pull-policy/>Pull Policy for WebAssembly Modules *</a></li></ul></li></ul></li><li role=treeitem aria-label="Best Practices"><button aria-hidden=true tabindex=-1></button><a title="Best practices for setting up and managing an Istio service mesh." href=/v1.21/docs/ops/best-practices/>Best Practices</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="General best practices when setting up an Istio service mesh." href=/v1.21/docs/ops/best-practices/deployment/>Deployment Best Practices</a></li><li role=none><a role=treeitem title="Configuration best practices to avoid networking or traffic management issues." href=/v1.21/docs/ops/best-practices/traffic-management/>Traffic Management Best Practices</a></li><li role=none><a role=treeitem title="Best practices for securing applications using Istio." href=/v1.21/docs/ops/best-practices/security/>Security Best Practices</a></li><li role=none><a role=treeitem title="Describes how to use image signatures to verify the provenance of Istio images." href=/v1.21/docs/ops/best-practices/image-signing-validation/>Image Signing and Validation</a></li><li role=none><a role=treeitem title="Best practices for observing applications using Istio." href=/v1.21/docs/ops/best-practices/observability/>Observability Best Practices</a></li></ul></li><li role=treeitem aria-label="Common Problems"><button aria-hidden=true tabindex=-1></button><a title="Describes how to identify and resolve common problems in Istio." href=/v1.21/docs/ops/common-problems/>Common Problems</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Techniques to address common Istio traffic management and network problems." href=/v1.21/docs/ops/common-problems/network-issues/>Traffic Management Problems</a></li><li role=none><a role=treeitem title="Techniques to address common Istio authentication, authorization, and general security-related problems." href=/v1.21/docs/ops/common-problems/security-issues/>Security Problems</a></li><li role=none><a role=treeitem title="Dealing with telemetry collection issues." href=/v1.21/docs/ops/common-problems/observability-issues/>Observability Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.21/docs/ops/common-problems/injection/>Sidecar Injection Problems</a></li><li role=none><a role=treeitem title="Describes how to resolve configuration validation problems." href=/v1.21/docs/ops/common-problems/validation/>Configuration Validation Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio upgrades." href=/v1.21/docs/ops/common-problems/upgrade-issues/>Upgrade Problems</a></li></ul></li><li role=treeitem aria-label="Diagnostic Tools"><button aria-hidden=true tabindex=-1></button><a title="Tools and techniques to help troubleshoot an Istio mesh." href=/v1.21/docs/ops/diagnostic-tools/>Diagnostic Tools</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Istio includes a supplemental tool that provides debugging and diagnosis for Istio service mesh deployments." href=/v1.21/docs/ops/diagnostic-tools/istioctl/>Using the Istioctl Command-line Tool</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose Envoy configuration issues related to traffic management." href=/v1.21/docs/ops/diagnostic-tools/proxy-cmd/>Debugging Envoy and Istiod</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl describe to verify the configurations of a pod in your mesh." href=/v1.21/docs/ops/diagnostic-tools/istioctl-describe/>Understand your Mesh with Istioctl Describe</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl analyze to identify potential issues with your configuration." href=/v1.21/docs/ops/diagnostic-tools/istioctl-analyze/>Diagnose your Configuration with Istioctl Analyze</a></li><li role=none><a role=treeitem title="Learn how to use istioctl check-inject to confirm if Istio sidecar injection is properly enabled for your deployments." href=/v1.21/docs/ops/diagnostic-tools/check-inject/>Verifying Istio Sidecar Injection with Istioctl Check-Inject</a></li><li role=none><a role=treeitem title="Describes how to use ControlZ to get insight into a running istiod component." href=/v1.21/docs/ops/diagnostic-tools/controlz/>Istiod Introspection</a></li><li role=none><a role=treeitem title="Describes how to use component-level logging to get insights into a running component's behavior." href=/v1.21/docs/ops/diagnostic-tools/component-logging/>Component Logging</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with Virtual Machines." href=/v1.21/docs/ops/diagnostic-tools/virtual-machines/>Debugging Virtual Machines</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with multicluster and multi-network installations." href=/v1.21/docs/ops/diagnostic-tools/multicluster/>Troubleshooting Multicluster</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues using Istio with the CNI plugin." href=/v1.21/docs/ops/diagnostic-tools/cni/>Troubleshooting the Istio CNI plugin</a></li></ul></li><li role=treeitem aria-label="Ambient Mode"><button class=show aria-hidden=true tabindex=-1></button><a title="Information for setting up and operating Istio in ambient mode." href=/v1.21/docs/ops/ambient/>Ambient Mode</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="How to deploy and install Istio in ambient mode." href=/v1.21/docs/ops/ambient/getting-started/>Getting Started with Ambient Mode</a></li><li role=treeitem aria-label="Installation Guide"><button aria-hidden=true tabindex=-1></button><a title="Installation guide for Istio Ambient mesh." href=/v1.21/docs/ops/ambient/install/>Installation Guide</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Install Istio in Ambient mode with Helm." href=/v1.21/docs/ops/ambient/install/helm-installation/>Install with Helm</a></li><li role=none><a role=treeitem title="Platform-specific prerequisites for installing Istio in ambient mode." href=/v1.21/docs/ops/ambient/install/platform-prerequisites/>Platform-Specific Prerequisites</a></li></ul></li><li role=treeitem aria-label="Upgrade Guide"><button aria-hidden=true tabindex=-1></button><a title="Upgrade guide for Istio Ambient mesh." href=/v1.21/docs/ops/ambient/upgrade/>Upgrade Guide</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Upgrading an ambient mode installation with Helm (Experimental)" href=/v1.21/docs/ops/ambient/upgrade/helm-upgrade/>Upgrade with Helm *</a></li></ul></li><li role=treeitem aria-label="Ambient Mode User Guides"><button aria-hidden=true tabindex=-1></button><a title="How to configure a mesh in ambient mode." href=/v1.21/docs/ops/ambient/usage/>Ambient Mode User Guides</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title='Understand and manage Istio&#39;s "zero-trust tunnel" proxy.' href=/v1.21/docs/ops/ambient/usage/ztunnel/>Layer 4 Networking & mTLS with Ztunnel</a></li><li role=none><a role=treeitem title="Gain the full set of Istio feature with optional waypoint proxies." href=/v1.21/docs/ops/ambient/usage/waypoint/>Layer 7 Networking & Services with Waypoint Proxies</a></li><li role=none><a role=treeitem title="Understand how traffic is redirected between pods and the ztunnel node proxy." href=/v1.21/docs/ops/ambient/usage/traffic-redirection/>Ztunnel traffic redirection</a></li></ul></li><li role=none><a role=treeitem title="A deep dive into the architecture of ambient mode." href=/v1.21/docs/ops/ambient/architecture/>Ambient Mode Architecture</a></li></ul></li><li role=treeitem aria-label=Integrations><button aria-hidden=true tabindex=-1></button><a title="Other software that Istio can integrate with to provide additional functionality." href=/v1.21/docs/ops/integrations/>Integrations</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to integrate with cert-manager." href=/v1.21/docs/ops/integrations/certmanager/>cert-manager</a></li><li role=none><a role=treeitem title="Information on how to integrate with Grafana to set up Istio dashboards." href=/v1.21/docs/ops/integrations/grafana/>Grafana</a></li><li role=none><a role=treeitem title="How to integrate with Jaeger." href=/v1.21/docs/ops/integrations/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Information on how to integrate with Kiali." href=/v1.21/docs/ops/integrations/kiali/>Kiali</a></li><li role=none><a role=treeitem title="How to integrate with Prometheus." href=/v1.21/docs/ops/integrations/prometheus/>Prometheus</a></li><li role=none><a role=treeitem title="How to configure Istio to integrate with SPIRE to get cryptographic identities through Envoy's SDS API." href=/v1.21/docs/ops/integrations/spire/>SPIRE</a></li><li role=none><a role=treeitem title="How to integrate with Apache SkyWalking." href=/v1.21/docs/ops/integrations/skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="How to integrate with Zipkin." href=/v1.21/docs/ops/integrations/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to integrate Istio with third party load balancers." href=/v1.21/docs/ops/integrations/loadbalancers/>Third Party Load Balancers</a></li></ul></li></ul></li><li role=treeitem aria-label=Releases><a class=main title="Information relating to Istio releases." href=/v1.21/docs/releases/>Releases</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="List of features and their release stages." href=/v1.21/docs/releases/feature-stages/>Feature Status</a></li><li role=none><a role=treeitem title="What to do if you find a bug." href=/v1.21/docs/releases/bugs/>Reporting Bugs</a></li><li role=none><a role=treeitem title="How we handle security vulnerabilities." href=/v1.21/docs/releases/security-vulnerabilities/>Security Vulnerabilities</a></li><li role=none><a role=treeitem title="The currently supported Istio releases." href=/v1.21/docs/releases/supported-releases/>Supported Releases</a></li><li role=treeitem aria-label="Contribute Documentation"><button aria-hidden=true tabindex=-1></button><a title="Details how to create and maintain Istio documentation pages." href=/v1.21/docs/releases/contribute/>Contribute Documentation</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use GitHub to contribute to the Istio documentation." href=/v1.21/docs/releases/contribute/github/>Work with GitHub</a></li><li role=none><a role=treeitem title="Details how to contribute new documentation to Istio." href=/v1.21/docs/releases/contribute/add-content/>Add New Documentation</a></li><li role=none><a role=treeitem title="Details how to contribute retired documentation to Istio." href=/v1.21/docs/releases/contribute/remove-content/>Remove Retired Documentation</a></li><li role=none><a role=treeitem title="Explains how to locally build, test, serve, and preview the website." href=/v1.21/docs/releases/contribute/build/>Build and serve the website locally</a></li><li role=none><a role=treeitem title="Explains the front matter used in our documentation and the fields available." href=/v1.21/docs/releases/contribute/front-matter/>Front matter</a></li><li role=none><a role=treeitem title="Shows you how changes to the Istio documentation and website are reviewed and approved." href=/v1.21/docs/releases/contribute/review/>Documentation Review Process</a></li><li role=none><a role=treeitem title="Explains how to include code in your documentation." href=/v1.21/docs/releases/contribute/code-blocks/>Add Code Blocks</a></li><li role=none><a role=treeitem title="Explains the shortcodes available and how to use them." href=/v1.21/docs/releases/contribute/shortcodes/>Use Shortcodes</a></li><li role=none><a role=treeitem title="Explains the standard markup used to format Istio documentation." href=/v1.21/docs/releases/contribute/formatting/>Follow Formatting Standards</a></li><li role=none><a role=treeitem title="Explains the style conventions used in the Istio documentation." href=/v1.21/docs/releases/contribute/style-guide/>Style Guide</a></li><li role=none><a role=treeitem title="Explains the terminology standards used in the Istio documentation." href=/v1.21/docs/releases/contribute/terminology/>Terminology Standards</a></li><li role=none><a role=treeitem title="Provides assets and instructions to create diagrams for the Istio documentation." href=/v1.21/docs/releases/contribute/diagrams/>Diagram Creation Guidelines</a></li></ul></li><li role=none><a role=treeitem title="List of recent changes to this website." href=/v1.21/docs/releases/log/>Website Content Changes</a></li></ul></li><li role=treeitem aria-label=Reference><a class=main title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." href=/v1.21/docs/reference/>Reference</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Configuration><button aria-hidden=true tabindex=-1></button><a title="Detailed information on configuration options." href=/v1.21/docs/reference/config/>Configuration</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Telemetry configuration for workloads." href=/v1.21/docs/reference/config/telemetry/>Telemetry</a></li><li role=none><a role=treeitem title="Describes the structure of messages generated by Istio analyzers." href=/v1.21/docs/reference/config/istio.analysis.v1alpha1/>Analysis Messages</a></li><li role=none><a role=treeitem title="Configuration affecting the service mesh as a whole." href=/v1.21/docs/reference/config/istio.mesh.v1alpha1/>Global Mesh Options</a></li><li role=none><a role=treeitem title="Configuration affecting Istio control plane installation version and shape." href=/v1.21/docs/reference/config/istio.operator.v1alpha1/>IstioOperator Options</a></li><li role=none><a role=treeitem title="Describes the role of the `status` field in configuration workflow." href=/v1.21/docs/reference/config/config-status/>Configuration Status Field</a></li><li role=treeitem aria-label="Proxy Extensions"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio proxy extensions." href=/v1.21/docs/reference/config/proxy_extensions/>Proxy Extensions</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Extend the functionality provided by the Istio proxy through WebAssembly filters." href=/v1.21/docs/reference/config/proxy_extensions/wasm-plugin/>Wasm Plugin</a></li><li role=none><a role=treeitem title="Configuration for AccessLogPolicy Filter." href=/v1.21/docs/reference/config/proxy_extensions/accesslogpolicy/>AccessLogPolicy Config</a></li><li role=none><a role=treeitem title="Configuration for Stackdriver filter." href=/v1.21/docs/reference/config/proxy_extensions/stackdriver/>Stackdriver Config</a></li><li role=none><a role=treeitem title="Configuration for Stats Filter." href=/v1.21/docs/reference/config/proxy_extensions/stats/>Stats Config</a></li><li role=none><a role=treeitem title="How to enable telemetry generation with the Wasm runtime (Experimental)" href=/v1.21/docs/reference/config/proxy_extensions/wasm_telemetry/>Wasm-based Telemetry *</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure HTTP/TCP routing features." href=/v1.21/docs/reference/config/networking/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration affecting load balancing, outlier detection, etc." href=/v1.21/docs/reference/config/networking/destination-rule/>Destination Rule</a></li><li role=none><a role=treeitem title="Customizing Envoy configuration generated by Istio." href=/v1.21/docs/reference/config/networking/envoy-filter/>Envoy Filter</a></li><li role=none><a role=treeitem title="Configuration affecting edge load balancer." href=/v1.21/docs/reference/config/networking/gateway/>Gateway</a></li><li role=none><a role=treeitem title="Provides configuration for individual workloads." href=/v1.21/docs/reference/config/networking/proxy-config/>ProxyConfig</a></li><li role=none><a role=treeitem title="Configuration affecting service registry." href=/v1.21/docs/reference/config/networking/service-entry/>Service Entry</a></li><li role=none><a role=treeitem title="Configuration affecting network reachability of a sidecar." href=/v1.21/docs/reference/config/networking/sidecar/>Sidecar</a></li><li role=none><a role=treeitem title="Configuration affecting label/content routing, sni routing, etc." href=/v1.21/docs/reference/config/networking/virtual-service/>Virtual Service</a></li><li role=none><a role=treeitem title="Configuration affecting VMs onboarded into the mesh." href=/v1.21/docs/reference/config/networking/workload-entry/>Workload Entry</a></li><li role=none><a role=treeitem title="Describes a collection of workload instances." href=/v1.21/docs/reference/config/networking/workload-group/>Workload Group</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio's security features." href=/v1.21/docs/reference/config/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration to validate JWT." href=/v1.21/docs/reference/config/security/jwt/>JWTRule</a></li><li role=none><a role=treeitem title="Peer authentication configuration for workloads." href=/v1.21/docs/reference/config/security/peer_authentication/>PeerAuthentication</a></li><li role=none><a role=treeitem title="Request authentication configuration for workloads." href=/v1.21/docs/reference/config/security/request_authentication/>RequestAuthentication</a></li><li role=none><a role=treeitem title="Configuration for access control on workloads." href=/v1.21/docs/reference/config/security/authorization-policy/>Authorization Policy</a></li><li role=none><a role=treeitem title="Describes the supported conditions in authorization policies." href=/v1.21/docs/reference/config/security/conditions/>Authorization Policy Conditions</a></li><li role=none><a role=treeitem title="Describes the supported normalizations in authorization policies." href=/v1.21/docs/reference/config/security/normalization/>Authorization Policy Normalization</a></li></ul></li><li role=treeitem aria-label="Common Types"><button aria-hidden=true tabindex=-1></button><a title="Describes common types in Istio API." href=/v1.21/docs/reference/config/type/>Common Types</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Definition of a workload selector." href=/v1.21/docs/reference/config/type/workload-selector/>Workload Selector</a></li></ul></li><li role=none><a role=treeitem title="Istio standard metrics exported by Istio telemetry." href=/v1.21/docs/reference/config/metrics/>Istio Standard Metrics</a></li><li role=none><a role=treeitem title="Resource annotations used by Istio." href=/v1.21/docs/reference/config/annotations/>Resource Annotations</a></li><li role=none><a role=treeitem title="Resource labels used by Istio." href=/v1.21/docs/reference/config/labels/>Resource Labels</a></li><li role=treeitem aria-label="Configuration Analysis Messages"><button aria-hidden=true tabindex=-1></button><a title="Documents the individual error and warning messages produced during configuration analysis." href=/v1.21/docs/reference/config/analysis/>Configuration Analysis Messages</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0136/>AlphaAnnotation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/message-format/>Analyzer Message Format</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0109/>ConflictingMeshGatewayVirtualServiceHosts</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0110/>ConflictingSidecarWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0159/>ConflictingTelemetryWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0116/>DeploymentAssociatedToMultipleServices</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0137/>DeploymentConflictingPorts</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0002/>Deprecated</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0135/>DeprecatedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0153/>EnvoyFilterUsesAddOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0151/>EnvoyFilterUsesRelativeOperation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0155/>EnvoyFilterUsesRelativeOperationWithProxyVersion</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0154/>EnvoyFilterUsesRemoveOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0152/>EnvoyFilterUsesReplaceOperationIncorrectly</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0164/>ExternalControlPlaneAddressIsNotAHostname</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0150/>ExternalNameServiceTypeInvalidPortName</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0162/>GatewayPortNotDefinedOnService</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0167/>IneffectivePolicy</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0166/>IneffectiveSelector</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0001/>InternalError</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0125/>InvalidAnnotation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0144/>InvalidApplicationUID</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0163/>InvalidExternalControlPlaneConfig</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0161/>InvalidGatewayCredential</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0122/>InvalidRegexp</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0157/>InvalidTelemetryProvider</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0143/>LocalhostListener</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0107/>MisplacedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0111/>MultipleSidecarsWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0160/>MultipleTelemetriesWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0123/>NamespaceMultipleInjectionLabels</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0102/>NamespaceNotInjected</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0127/>NoMatchingWorkloadsFound</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0128/>NoServerCertificateVerificationDestinationLevel</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0129/>NoServerCertificateVerificationPortLevel</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0103/>PodMissingProxy</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0158/>PodsIstioProxyImageMismatchInNamespace</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0118/>PortNameIsNotUnderNamingConvention</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0101/>ReferencedResourceNotFound</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0106/>SchemaValidationError</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0134/>ServiceEntryAddressesRequired</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0108/>UnknownAnnotation</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0112/>VirtualServiceDestinationPortSelectorRequired</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0132/>VirtualServiceHostNotFoundInGateway</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0131/>VirtualServiceIneffectiveMatch</a></li><li role=none><a role=treeitem title href=/v1.21/docs/reference/config/analysis/ist0130/>VirtualServiceUnreachableRule</a></li></ul></li></ul></li><li role=treeitem aria-label=Commands><button aria-hidden=true tabindex=-1></button><a title="Describes usage and options of the Istio commands and utilities." href=/v1.21/docs/reference/commands/>Commands</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition." href=/v1.21/docs/reference/commands/install-cni/>install-cni</a></li><li role=none><a role=treeitem title="Istio control interface." href=/v1.21/docs/reference/commands/istioctl/>istioctl</a></li><li role=none><a role=treeitem title="The Istio operator." href=/v1.21/docs/reference/commands/operator/>operator</a></li><li role=none><a role=treeitem title="Istio Pilot agent." href=/v1.21/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li role=none><a role=treeitem title="Istio Pilot." href=/v1.21/docs/reference/commands/pilot-discovery/>pilot-discovery</a></li></ul></li><li role=none><a role=treeitem title="A glossary of common Istio terms." href=/v1.21/docs/reference/glossary/>Glossary</a></li></ul></li></ul></div></div></div></nav></div><div class=article-container><button id=sidebar-toggle class=main-navigation-toggle aria-label="Open sidebar">
<svg class="icon hamburger-sidebar"><use xlink:href="/v1.21/img/icons.svg#hamburger-sidebar"/></svg>
Contents</button><article aria-labelledby=title><nav aria-label=Breadcrumb><ol><li><a href=/v1.21/docs/ title="Learn how to deploy, use, and operate Istio.">Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.21/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.21/docs/ops/ title="Concepts, tools, and techniques to deploy and manage an Istio mesh.">Operations</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.21/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.21/docs/ops/ambient/ title="Information for setting up and operating Istio in ambient mode.">Ambient Mode</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.21/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Getting Started with Ambient Mode</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Getting Started with Ambient Mode</h1><p class=byline><span class=reading-time title="1832 words"><svg class="icon clock"><use xlink:href="/v1.21/img/icons.svg#clock"/></svg><span>&nbsp;</span>9 minute read</span>
<span>&nbsp;</span>
<span><a href=https://github.com/istio/istio.io/tree/master/README.md#testing-document-content title='An automated test is available for this page. Click for details.'><svg class="icon checkmark"><use xlink:href="/v1.21/img/icons.svg#checkmark"/></svg><span>&nbsp;</span>
page test</a></span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label="Download and install"><a href=#download>Download and install</a><li role=none aria-label="Deploy the sample application"><a href=#bookinfo>Deploy the sample application</a><li role=none aria-label="Adding your application to the ambient mesh"><a href=#addtoambient>Adding your application to the ambient mesh</a><li role=none aria-label="Secure application access"><a href=#secure>Secure application access</a><ol><li role=none aria-label="Layer 4 authorization policy"><a href=#layer-4-authorization-policy>Layer 4 authorization policy</a><li role=none aria-label="Layer 7 authorization policy"><a href=#layer-7-authorization-policy>Layer 7 authorization policy</a></ol></li><li role=none aria-label="Control traffic"><a href=#control>Control traffic</a><li role=none aria-label=Uninstall><a href=#uninstall>Uninstall</a></ol><hr></div></nav><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.21/img/icons.svg#callout-warning"/></svg></div><div class=content><p>Ambient mode is currently in the <a href=/v1.21/docs/releases/feature-stages/#feature-phase-definitions>Alpha</a> phase.</p><p>Please <strong>do not use ambient mode in production</strong>, and be sure to thoroughly review the <a href=/v1.21/docs/releases/feature-stages/#feature-phase-definitions>feature phase definitions</a> before use.</p><p>In particular, there are known performance, stability, and security issues in the alpha release.
There are also planned breaking changes, including some that will prevent upgrades.
These limitations will be addressed before ambient mode moves to Beta.</p></div></aside></div><p>This guide lets you quickly evaluate Istio&rsquo;s <span class=term data-title=Ambient data-body='<p>Ambient mode refers to a <a href="/docs/reference/glossary/#data-plane-mode">data plane mode</a> consisting of a per-node and optionally a per-namespace component. The mesh created when Istio is installed in ambient <em>mode</em> can be referred to as an ambient <em>mesh</em>.
Ambient mode is an alternative to a <a href="/docs/reference/glossary/#sidecar">sidecar mode</a> deployment.</p>
'>ambient mode</span>. These steps require you to have a <span class=term data-title=Cluster data-body="<p>A cluster is set of compute nodes that run containerized applications.
Typically, the compute nodes comprising a cluster can reach each other directly.
Clusters limit external access through rules or policies.</p>
">cluster</span> running a
<a href=/v1.21/docs/releases/supported-releases/#support-status-of-istio-releases>supported version</a> of Kubernetes (1.26, 1.27, 1.28, 1.29).
You can install Istio ambient mode on <a href=/v1.21/docs/setup/platform-setup/>any supported Kubernetes platform</a>, but this guide will assume the use of <a href=https://kind.sigs.k8s.io/>kind</a> for simplicity.</p><div><aside class="callout tip"><div class=type><svg class="large-icon"><use xlink:href="/v1.21/img/icons.svg#callout-tip"/></svg></div><div class=content>Note that ambient mode currently requires the use of <a href=/v1.21/docs/setup/additional-setup/cni/>istio-cni</a> to configure Kubernetes nodes, which must run as a privileged pod. Ambient mode is compatible with every major CNI that previously supported sidecar mode.</div></aside></div><p>Follow these steps to get started with Istio&rsquo;s ambient mode:</p><ol><li><a href=/v1.21/docs/ops/ambient/getting-started/#download>Download and install</a></li><li><a href=/v1.21/docs/ops/ambient/getting-started/#bookinfo>Deploy the sample application</a></li><li><a href=/v1.21/docs/ops/ambient/getting-started/#addtoambient>Adding your application to ambient</a></li><li><a href=/v1.21/docs/ops/ambient/getting-started/#secure>Secure application access</a></li><li><a href=/v1.21/docs/ops/ambient/getting-started/#control>Control traffic</a></li><li><a href=/v1.21/docs/ops/ambient/getting-started/#uninstall>Uninstall</a></li></ol><h2 id=download>Download and install</h2><ol><li><p>Install <a href=https://kind.sigs.k8s.io/>kind</a></p></li><li><p>Download the <a href=/v1.21/docs/setup/getting-started/#download>latest version of Istio</a> (v1.21.0 or later) with Alpha support for ambient mode.</p></li><li><p>Deploy a new local <code>kind</code> cluster:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kind create cluster --config=- &lt;&lt;EOF
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: ambient
nodes:
- role: control-plane
- role: worker
- role: worker
EOF
</code></pre></li><li><p>Install the Kubernetes Gateway API CRDs, which don’t come installed by default on most Kubernetes clusters:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get crd gateways.gateway.networking.k8s.io &amp;&gt; /dev/null || \
{ kubectl kustomize &#34;github.com/kubernetes-sigs/gateway-api/config/crd/experimental?ref=444631bfe06f3bcca5d0eadf1857eac1d369421d&#34; | kubectl apply -f -; }
</code></pre><div><aside class="callout tip"><div class=type><svg class="large-icon"><use xlink:href="/v1.21/img/icons.svg#callout-tip"/></svg></div><div class=content>Istio includes beta support for the Kubernetes <a href=https://gateway-api.sigs.k8s.io/>Gateway API</a> and intends
to make it the default API for traffic management <a href=/v1.21/blog/2022/gateway-api-beta/>in the future</a>.
The following instructions allow you to choose to use either the Gateway API or the Istio configuration API when configuring
traffic management in the mesh. Follow instructions under either the <code>Gateway API</code> or <code>Istio APIs</code> tab,
according to your preference.</div></aside></div></li><li><p>Install Istio with the <code>ambient</code> profile on your Kubernetes cluster, using
the version of <code>istioctl</code> downloaded above:</p></li></ol><div id=tabset-docsopsambientgetting-started-1 role=tablist class=tabset><div class=tab-strip data-category-name=config-api><button aria-selected=true data-category-value=istio-apis aria-controls=tabset-docsopsambientgetting-started-1-0-panel id=tabset-docsopsambientgetting-started-1-0-tab role=tab><span>Istio APIs</span>
</button><button tabindex=-1 data-category-value=gateway-api aria-controls=tabset-docsopsambientgetting-started-1-1-panel id=tabset-docsopsambientgetting-started-1-1-tab role=tab><span>Gateway API</span></button></div><div class=tab-content><div id=tabset-docsopsambientgetting-started-1-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-1-0-tab><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl install --set profile=ambient --set &#34;components.ingressGateways[0].enabled=true&#34; --set &#34;components.ingressGateways[0].name=istio-ingressgateway&#34; --skip-confirmation
</code></pre><p>After running the above command, you’ll get the following output that indicates
five components (including <span class=term data-title=ztunnel data-body='<p>Ztunnel refers to the node proxy component of <a href="/docs/reference/glossary/#ambient">ambient</a> data plane mode.
Ztunnel runs on each node and securely transmits traffic using the <a href="/docs/reference/glossary/#hbone">HBONE</a> protocol.</p>
'>ztunnel</span>) have been installed successfully!</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>✔ Istio core installed
✔ Istiod installed
✔ CNI installed
✔ Ingress gateways installed
✔ Ztunnel installed
✔ Installation complete
</code></pre></div><div hidden id=tabset-docsopsambientgetting-started-1-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-1-1-tab><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl install --set profile=ambient --skip-confirmation
</code></pre><p>After running the above command, you’ll get the following output that indicates
four components (including <span class=term data-title=ztunnel data-body='<p>Ztunnel refers to the node proxy component of <a href="/docs/reference/glossary/#ambient">ambient</a> data plane mode.
Ztunnel runs on each node and securely transmits traffic using the <a href="/docs/reference/glossary/#hbone">HBONE</a> protocol.</p>
'>ztunnel</span>) have been installed successfully!</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>✔ Istio core installed
✔ Istiod installed
✔ CNI installed
✔ Ztunnel installed
✔ Installation complete
</code></pre></div></div></div><ol start=5><li>Verify the installed components using the following commands:</li></ol><div id=tabset-docsopsambientgetting-started-2 role=tablist class=tabset><div class=tab-strip data-category-name=config-api><button aria-selected=true data-category-value=istio-apis aria-controls=tabset-docsopsambientgetting-started-2-0-panel id=tabset-docsopsambientgetting-started-2-0-tab role=tab><span>Istio APIs</span>
</button><button tabindex=-1 data-category-value=gateway-api aria-controls=tabset-docsopsambientgetting-started-2-1-panel id=tabset-docsopsambientgetting-started-2-1-tab role=tab><span>Gateway API</span></button></div><div class=tab-content><div id=tabset-docsopsambientgetting-started-2-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-2-0-tab><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get pods -n istio-system
NAME READY STATUS RESTARTS AGE
istio-cni-node-zq94l 1/1 Running 0 2m7s
istio-ingressgateway-56b9cb5485-ksnvc 1/1 Running 0 2m7s
istiod-56d848857c-mhr5w 1/1 Running 0 2m9s
ztunnel-srrnm 1/1 Running 0 2m5s
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get daemonset -n istio-system
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
istio-cni-node 1 1 1 1 1 kubernetes.io/os=linux 2m16s
ztunnel 1 1 1 1 1 kubernetes.io/os=linux 2m10s
</code></pre></div><div hidden id=tabset-docsopsambientgetting-started-2-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-2-1-tab><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get pods -n istio-system
NAME READY STATUS RESTARTS AGE
istio-cni-node-d9rdt 1/1 Running 0 2m15s
istiod-56d848857c-pwsd6 1/1 Running 0 2m23s
ztunnel-wp7hk 1/1 Running 0 2m9s
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get daemonset -n istio-system
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
istio-cni-node 1 1 1 1 1 kubernetes.io/os=linux 2m16s
ztunnel 1 1 1 1 1 kubernetes.io/os=linux 2m10s
</code></pre></div></div></div><h2 id=bookinfo>Deploy the sample application</h2><p>You’ll use the sample <a href=/v1.21/docs/examples/bookinfo/>bookinfo application</a>, which is part of
the Istio distribution that you downloaded above. In ambient mode, you deploy applications to
your Kubernetes cluster exactly the same way you would
without Istio. This means that you can have your applications running in your cluster before
you enable ambient mode, and have them join the mesh without needing to restart or
reconfigure them.</p><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.21/img/icons.svg#callout-warning"/></svg></div><div class=content>Make sure the default namespace does not include the label <code>istio-injection=enabled</code> when using ambient mode, because you do not need Istio to inject sidecars into application pods.</div></aside></div><ol><li><p>Start the sample services:</p><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/platform/kube/bookinfo.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f @samples/bookinfo/platform/kube/bookinfo.yaml@
</code></pre></div><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/sleep/notsleep.yaml>Zip</a><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/sleep/sleep.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f @samples/sleep/sleep.yaml@
$ kubectl apply -f @samples/sleep/notsleep.yaml@
</code></pre></div><p><code>sleep</code> and <code>notsleep</code> are two simple applications that can serve as curl clients.</p></li><li><p>Deploy an ingress gateway so you can access the bookinfo app from outside the cluster:</p><div><aside class="callout tip"><div class=type><svg class="large-icon"><use xlink:href="/v1.21/img/icons.svg#callout-tip"/></svg></div><div class=content>To get IP address assignment for <code>Loadbalancer</code> service types in <code>kind</code>, you may need to install a tool like <a href=https://metallb.universe.tf/>MetalLB</a>. Please consult <a href=https://kind.sigs.k8s.io/docs/user/loadbalancer/>this guide</a> for more information.</div></aside></div></li></ol><div id=tabset-docsopsambientgetting-started-3 role=tablist class=tabset><div class=tab-strip data-category-name=config-api><button aria-selected=true data-category-value=istio-apis aria-controls=tabset-docsopsambientgetting-started-3-0-panel id=tabset-docsopsambientgetting-started-3-0-tab role=tab><span>Istio APIs</span>
</button><button tabindex=-1 data-category-value=gateway-api aria-controls=tabset-docsopsambientgetting-started-3-1-panel id=tabset-docsopsambientgetting-started-3-1-tab role=tab><span>Gateway API</span></button></div><div class=tab-content><div id=tabset-docsopsambientgetting-started-3-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-3-0-tab><p>Create an Istio <a href=/v1.21/docs/reference/config/networking/gateway/>Gateway</a> and
<a href=/v1.21/docs/reference/config/networking/virtual-service/>VirtualService</a>:</p><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/networking/bookinfo-gateway.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f @samples/bookinfo/networking/bookinfo-gateway.yaml@
</code></pre></div><p>Set the environment variables for the Istio ingress gateway:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ export GATEWAY_HOST=istio-ingressgateway.istio-system
$ export GATEWAY_SERVICE_ACCOUNT=ns/istio-system/sa/istio-ingressgateway-service-account
</code></pre></div><div hidden id=tabset-docsopsambientgetting-started-3-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-3-1-tab><p>Create a <a href=https://gateway-api.sigs.k8s.io/references/spec/#gateway.networking.k8s.io/v1.Gateway>Kubernetes Gateway</a>
and <a href=https://gateway-api.sigs.k8s.io/references/spec/#gateway.networking.k8s.io/v1.HTTPRoute>HTTPRoute</a>:</p><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/gateway-api/bookinfo-gateway.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ sed -e &#39;s/from: Same/from: All/&#39;\
-e &#39;/^ name: bookinfo-gateway/a\
namespace: istio-system\
&#39; -e &#39;/^ - name: bookinfo-gateway/a\
namespace: istio-system\
&#39; @samples/bookinfo/gateway-api/bookinfo-gateway.yaml@ | kubectl apply -f -
</code></pre></div><p>Set the environment variables for the Kubernetes gateway:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl wait --for=condition=programmed gtw/bookinfo-gateway -n istio-system
$ export GATEWAY_HOST=bookinfo-gateway-istio.istio-system
$ export GATEWAY_SERVICE_ACCOUNT=ns/istio-system/sa/bookinfo-gateway-istio
</code></pre></div></div></div><ol start=3><li><p>Test your bookinfo application. It should work with or without the gateway:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/sleep -- curl -s &#34;http://$GATEWAY_HOST/productpage&#34; | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/sleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/notsleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre></li></ol><h2 id=addtoambient>Adding your application to the ambient mesh</h2><p>The ambient mesh data plane relies on the ztunnel DaemonSet to redirect traffic. Check the ztunnel pods to make sure they are in a healthy state:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get pods -n istio-system -l app=ztunnel
NAME READY STATUS RESTARTS AGE
ztunnel-29m52 1/1 Running 0 2m15s
</code></pre><p>Now you can enable all pods in a given namespace to be part of an ambient mesh
by simply labeling the namespace:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl label namespace default istio.io/dataplane-mode=ambient
</code></pre><p>Congratulations! You have successfully added all pods in the default namespace
to the mesh. Note that you did not have to restart or redeploy anything!</p><p>Check the ztunnel logs to verify the proxy has received the network namespace (netns) information for an application pod in the ambient mesh, and has started proxying for it:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl logs ds/ztunnel -n istio-system | grep -o &#34;.*starting proxy&#34;
... received netns, starting proxy
</code></pre><p>Now, send some test traffic:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/sleep -- curl -s &#34;http://$GATEWAY_HOST/productpage&#34; | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/sleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/notsleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><p>You’ll immediately gain mTLS communication and L4 telemetry among the applications in the ambient mesh.
If you follow the instructions to install <a href=/v1.21/docs/ops/integrations/prometheus/#installation>Prometheus</a>
and <a href=/v1.21/docs/ops/integrations/kiali/#installation>Kiali</a>, you’ll be able to visualize your application
in Kiali’s dashboard:</p><figure style=width:100%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:46.87343671835918%><a data-skipendnotes=true href=/v1.21/docs/ops/ambient/getting-started/kiali-ambient-bookinfo.png title="Kiali dashboard"><img class=element-to-stretch src=/v1.21/docs/ops/ambient/getting-started/kiali-ambient-bookinfo.png alt="Kiali dashboard"></a></div><figcaption>Kiali dashboard</figcaption></figure><h2 id=secure>Secure application access</h2><p>After you have added your application to an ambient mode mesh, you can secure application access using Layer 4
authorization policies. This feature lets you control access to and from a service based on client workload
identities, but not at the Layer 7 level, such as HTTP methods like <code>GET</code> and <code>POST</code>.</p><h3 id=layer-4-authorization-policy>Layer 4 authorization policy</h3><p>Explicitly allow the <code>sleep</code> and gateway service accounts to call the <code>productpage</code> service:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f - &lt;&lt;EOF
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: productpage-viewer
namespace: default
spec:
selector:
matchLabels:
app: productpage
action: ALLOW
rules:
- from:
- source:
principals:
- cluster.local/ns/default/sa/sleep
- cluster.local/$GATEWAY_SERVICE_ACCOUNT
EOF
</code></pre><p>Confirm the above authorization policy is working:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should succeed
$ kubectl exec deploy/sleep -- curl -s &#34;http://$GATEWAY_HOST/productpage&#34; | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should succeed
$ kubectl exec deploy/sleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should fail with a connection reset error code 56
$ kubectl exec deploy/notsleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
command terminated with exit code 56
</code></pre><h3 id=layer-7-authorization-policy>Layer 7 authorization policy</h3><p>Using the Kubernetes Gateway API, you can deploy a <span class=term data-title=Waypoint data-body='<p>A waypoint is the Layer 7 proxy component in <a href="/docs/reference/glossary/#ambient">ambient mode</a>.
Waypoints run on a per-namespace on per-service account basis and handle all traffic entering that namespace.</p>
'>waypoint proxy</span> for the <code>productpage</code> service that uses the <code>bookinfo-productpage</code> service account. Any traffic going to the <code>productpage</code> service will be mediated, enforced and observed by the Layer 7 (L7) proxy.</p><p>Deploy a waypoint proxy for the <code>productpage</code> service:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl x waypoint apply --service-account bookinfo-productpage --wait
waypoint default/bookinfo-productpage applied
</code></pre><p>View the <code>productpage</code> waypoint proxy status; you should see the details of the gateway
resource with <code>Programmed</code> status:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get gtw bookinfo-productpage -o yaml
...
status:
conditions:
- lastTransitionTime: &#34;2023-02-24T03:22:43Z&#34;
message: Resource programmed, assigned to service(s) bookinfo-productpage-istio-waypoint.default.svc.cluster.local:15008
observedGeneration: 1
reason: Programmed
status: &#34;True&#34;
type: Programmed
</code></pre><p>Update your <code>AuthorizationPolicy</code> to explicitly allow the <code>sleep</code> and gateway service accounts to <code>GET</code> the <code>productpage</code> service, but perform no other operations:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f - &lt;&lt;EOF
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: productpage-viewer
namespace: default
spec:
targetRef:
kind: Gateway
group: gateway.networking.k8s.io
name: bookinfo-productpage
action: ALLOW
rules:
- from:
- source:
principals:
- cluster.local/ns/default/sa/sleep
- cluster.local/$GATEWAY_SERVICE_ACCOUNT
to:
- operation:
methods: [&#34;GET&#34;]
EOF
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should fail with an RBAC error because it is not a GET operation
$ kubectl exec deploy/sleep -- curl -s &#34;http://$GATEWAY_HOST/productpage&#34; -X DELETE
RBAC: access denied
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should fail with an RBAC error because the identity is not allowed
$ kubectl exec deploy/notsleep -- curl -s http://productpage:9080/
RBAC: access denied
</code></pre><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ # this should continue to work
$ kubectl exec deploy/sleep -- curl -s http://productpage:9080/ | grep -o &#34;&lt;title&gt;.*&lt;/title&gt;&#34;
&lt;title&gt;Simple Bookstore App&lt;/title&gt;
</code></pre><h2 id=control>Control traffic</h2><p>Deploy a waypoint proxy for the <code>review</code> service, using the <code>bookinfo-review</code> service account, so that any traffic going to the <code>review</code> service will be mediated by the waypoint proxy.</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl x waypoint apply --service-account bookinfo-reviews --wait
waypoint default/bookinfo-reviews applied
</code></pre><p>Configure traffic routing to send 90% of requests to <code>reviews</code> v1 and 10% to <code>reviews</code> v2:</p><div id=tabset-docsopsambientgetting-started-4 role=tablist class=tabset><div class=tab-strip data-category-name=config-api><button aria-selected=true data-category-value=istio-apis aria-controls=tabset-docsopsambientgetting-started-4-0-panel id=tabset-docsopsambientgetting-started-4-0-tab role=tab><span>Istio APIs</span>
</button><button tabindex=-1 data-category-value=gateway-api aria-controls=tabset-docsopsambientgetting-started-4-1-panel id=tabset-docsopsambientgetting-started-4-1-tab role=tab><span>Gateway API</span></button></div><div class=tab-content><div id=tabset-docsopsambientgetting-started-4-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-4-0-tab><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/networking/destination-rule-reviews.yaml>Zip</a><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/networking/virtual-service-reviews-90-10.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f @samples/bookinfo/networking/virtual-service-reviews-90-10.yaml@
$ kubectl apply -f @samples/bookinfo/networking/destination-rule-reviews.yaml@
</code></pre></div></div><div hidden id=tabset-docsopsambientgetting-started-4-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docsopsambientgetting-started-4-1-tab><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/gateway-api/route-reviews-90-10.yaml>Zip</a><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/bookinfo/platform/kube/bookinfo-versions.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f @samples/bookinfo/platform/kube/bookinfo-versions.yaml@
$ kubectl apply -f @samples/bookinfo/gateway-api/route-reviews-90-10.yaml@
</code></pre></div></div></div></div><p>Confirm that roughly 10% of the traffic from 100 requests goes to reviews-v2:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl exec deploy/sleep -- sh -c &#34;for i in \$(seq 1 100); do curl -s http://$GATEWAY_HOST/productpage | grep reviews-v.-; done&#34;
</code></pre><h2 id=uninstall>Uninstall</h2><p>Remove the label instructing Istio to enroll applications in the <code>default</code> namespace into the ambient mesh. It is not removed by <code>istioctl</code> during uninstall.</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl label namespace default istio.io/dataplane-mode-
</code></pre><p>With the label removed, we can check the logs once again to verify the proxy removal:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl logs ds/ztunnel -n istio-system | grep inpod
Found 3 pods, using pod/ztunnel-jrxln
inpod_enabled: true
inpod_uds: /var/run/ztunnel/ztunnel.sock
inpod_port_reuse: true
inpod_mark: 1337
2024-03-26T00:02:06.161802Z INFO ztunnel::inpod::workloadmanager: handling new stream
2024-03-26T00:02:06.162099Z INFO ztunnel::inpod::statemanager: pod received snapshot sent
2024-03-26T00:41:05.518194Z INFO ztunnel::inpod::statemanager: pod WorkloadUid(&#34;7ef61e18-725a-4726-84fa-05fc2a440879&#34;) received netns, starting proxy
2024-03-26T00:50:14.856284Z INFO ztunnel::inpod::statemanager: pod delete request, draining proxy
</code></pre><p>To remove waypoint proxies, installed policies, and uninstall Istio:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl experimental waypoint delete --all
$ istioctl uninstall -y --purge
$ kubectl delete namespace istio-system
</code></pre><p>To delete the Bookinfo sample application and its configuration, see <a href=/v1.21/docs/examples/bookinfo/#cleanup>Bookinfo cleanup</a>.</p><p>To remove the <code>sleep</code> and <code>notsleep</code> applications:</p><div><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/sleep/notsleep.yaml>Zip</a><a data-skipendnotes=true style=display:none href=https://raw.githubusercontent.com/istio/istio/release-1.21/samples/sleep/sleep.yaml>Zip</a><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete -f @samples/sleep/sleep.yaml@
$ kubectl delete -f @samples/sleep/notsleep.yaml@
</code></pre></div><p>If you installed the Gateway API CRDs, remove them:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl kustomize &#34;github.com/kubernetes-sigs/gateway-api/config/crd/experimental?ref=444631bfe06f3bcca5d0eadf1857eac1d369421d&#34; | kubectl delete -f -
</code></pre></article><nav class=pagenav><div class=left></div><div class=right><a title="A deep dive into the architecture of ambient mode." href=/v1.21/docs/ops/ambient/architecture/ class=next-link>Ambient Mode Architecture<svg class="icon right-arrow"><use xlink:href="/v1.21/img/icons.svg#right-arrow"/></svg></a></div></nav><div id=feedback><div id=feedback-initial>Was this information useful?<br><button class="btn feedback" onclick='sendFeedback("en",1)'>Yes</button>
<button class="btn feedback" onclick='sendFeedback("en",0)'>No</button></div><div id=feedback-comment>Do you have any suggestions for improvement?<br><br><input id=feedback-textbox type=text placeholder='Help us improve...' data-lang=en></div><div id=feedback-thankyou>Thanks for your feedback!</div></div><div id=endnotes-container aria-hidden=true><h2>Links</h2><ol id=endnotes></ol></div></div><div class=toc-container><nav class=toc aria-label="Table of Contents"><div id=toc><ol><li role=none aria-label="Download and install"><a href=#download>Download and install</a><li role=none aria-label="Deploy the sample application"><a href=#bookinfo>Deploy the sample application</a><li role=none aria-label="Adding your application to the ambient mesh"><a href=#addtoambient>Adding your application to the ambient mesh</a><li role=none aria-label="Secure application access"><a href=#secure>Secure application access</a><ol><li role=none aria-label="Layer 4 authorization policy"><a href=#layer-4-authorization-policy>Layer 4 authorization policy</a><li role=none aria-label="Layer 7 authorization policy"><a href=#layer-7-authorization-policy>Layer 7 authorization policy</a></ol></li><li role=none aria-label="Control traffic"><a href=#control>Control traffic</a><li role=none aria-label=Uninstall><a href=#uninstall>Uninstall</a></ol></div></nav></div></main><footer class=footer><div class="footer-wrapper container-l"><div class="user-links footer-links"><a class=channel title='GitHub is where development takes place on Istio code' href=https://github.com/istio/community aria-label=GitHub><svg class="icon github"><use xlink:href="/v1.21/img/icons.svg#github"/></svg>
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