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Merge pull request #6362 from stewart-yu/patch-7

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Update proxies.md
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Qiming
2017-11-17 15:19:26 +08:00
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docs/concepts/cluster-administration/proxies.md
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@@ -12,7 +12,7 @@ This page explains proxies used with Kubernetes.
There are several different proxies you may encounter when using Kubernetes:
1. The [kubectl proxy](/docs/tasks/access-application-cluster/access-cluster/#directly-accessing-the-rest-api):
1. The [kubectl proxy](/docs/tasks/access-application-cluster/access-cluster/#directly-accessing-the-rest-api):
- runs on a user's desktop or in a pod
- proxies from a localhost address to the Kubernetes apiserver
@@ -21,7 +21,7 @@ There are several different proxies you may encounter when using Kubernetes:
- locates apiserver
- adds authentication headers
1. The [apiserver proxy](/docs/tasks/access-application-cluster/access-cluster/#discovering-builtin-services):
1. The [apiserver proxy](/docs/tasks/access-application-cluster/access-cluster/#discovering-builtin-services):
- is a bastion built into the apiserver
- connects a user outside of the cluster to cluster IPs which otherwise might not be reachable
@@ -31,7 +31,7 @@ There are several different proxies you may encounter when using Kubernetes:
- can be used to reach a Node, Pod, or Service
- does load balancing when used to reach a Service
1. The [kube proxy](/docs/concepts/services-networking/service/#ips-and-vips):
1. The [kube proxy](/docs/concepts/services-networking/service/#ips-and-vips):
- runs on each node
- proxies UDP and TCP
@@ -39,13 +39,13 @@ There are several different proxies you may encounter when using Kubernetes:
- provides load balancing
- is just used to reach services
1. A Proxy/Load-balancer in front of apiserver(s):
1. A Proxy/Load-balancer in front of apiserver(s):
- existence and implementation varies from cluster to cluster (e.g. nginx)
- sits between all clients and one or more apiservers
- acts as load balancer if there are several apiservers.
1. Cloud Load Balancers on external services:
1. Cloud Load Balancers on external services:
- are provided by some cloud providers (e.g. AWS ELB, Google Cloud Load Balancer)
- are created automatically when the Kubernetes service has type `LoadBalancer`