istio
/
istio.io
mirror of https://github.com/istio/istio.io.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add our first glossary entries for the documentation (#4644)

This commit is contained in:
Adam Miller 2019-07-10 08:30:12 -07:00 committed by Martin Taillefer
parent 24f9ca7046
commit be5684e857
2 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
content/docs/concepts/what-is-istio/index.md
View File

@ -68,7 +68,7 @@ manages authentication, authorization, and encryption of service communication a
letting you enforce policies consistently across diverse protocols and runtimes -- all with little or no application changes.
While Istio is platform independent, using it with Kubernetes (or infrastructure) network policies, the benefits are even greater, including the ability to
secure pod-to-pod or service-to-service communication at the network and application layers.
secure {{<gloss>}}pod{{</gloss>}}-to-pod or service-to-service communication at the network and application layers.
### Observability
@ -141,7 +141,7 @@ for example:
* Rich metrics
Envoy is deployed as a **sidecar** to the relevant service in the same
Kubernetes pod. This deployment allows Istio to extract a wealth of signals
Kubernetes {{<gloss>}}pod{{</gloss>}}. This deployment allows Istio to extract a wealth of signals
about traffic behavior as
[attributes](/docs/reference/config/policy-and-telemetry/mixer-overview/#attributes). Istio can, in
turn, use these attributes in [Mixer](/docs/reference/config/policy-and-telemetry/)
@ -213,7 +213,7 @@ performance.
network paths between services. Istio uses sidecar proxies to capture traffic
and, where possible, automatically program the networking layer to route
traffic through those proxies without any changes to the deployed application
code. In Kubernetes, the proxies are injected into pods and traffic is
code. In Kubernetes, the proxies are injected into {{<gloss pod>}}pods{{</gloss>}} and traffic is
captured by programming ``iptables`` rules. Once the sidecar proxies are
injected and traffic routing is programmed, Istio can mediate all traffic.
This principle also applies to performance. When applying Istio to a

4
content/docs/reference/glossary/pod.md Normal file
View File

@ -0,0 +1,4 @@
---
title: Pod
---
A Pod is a group of one or more containers (such as [Docker](https://www.docker.com/) containers), with shared storage/network, and a specification for how to run the containers. A pod is the smallest deployable unit of computing in [Kubernetes](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/).