If you are using a released version of Kubernetes, you should refer to the docs that go with that version.
The latest release of this document can be found [here](http://releases.k8s.io/release-1.4/docs/proposals/high-availability.md).Documentation for other releases can be found at releases.k8s.io.
This document is deprecated. For more details about running a highly available cluster master, please see the admin instructions document.