update dns doc

pull/6/head
JessiaDing 2015-10-10 15:31:26 +00:00
parent 615ae5b04a
commit 717ee92934
1 changed files with 2 additions and 2 deletions

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@ -52,8 +52,8 @@ supports forward lookups (A records) and service lookups (SRV records).
## How it Works
The running DNS pod holds 3 containers - skydns, etcd (a private instance which skydns uses),
and a Kubernetes-to-skydns bridge called kube2sky. The kube2sky process
The running DNS pod holds 4 containers - skydns, etcd (a private instance which skydns uses),
a Kubernetes-to-skydns bridge called kube2sky, and a health check called healthz. The kube2sky process
watches the Kubernetes master for changes in Services, and then writes the
information to etcd, which skydns reads. This etcd instance is not linked to
any other etcd clusters that might exist, including the Kubernetes master.