Squid Proxy Server 3.1 Beginner's Guide

Cache peers or neighbors

Cache peers or neighbors are the other proxy servers with which our Squid proxy server can:

• Share its cache with to reduce bandwidth usage and access time
• Use it as a parent or sibling proxy server to satisfy its clients' requests
• Use it as a parent or sibling proxy server

We normally deploy more than one proxy server in the same network to share the load of a single server for better performance. The proxy servers can use each other's cache to retrieve the cached web documents locally to improve performance. Let's have a brief look at the directives provided by Squid for communication among different cache peers.

Declaring cache peers

The directive cache_peer is used to tell Squid about proxy servers in our neighborhood. Let's ...