A caching proxy server is similar to a proxy server in that it forwards requests from clients and returns responses to the clients. The difference is that a caching proxy server can save, or cache, the Web documents it retrieves. Caching Proxy is a caching proxy server.
The Caching Proxy has a highly configurable caching functionality. This means that it can save, or cache, the Web documents it retrieves that are considered cacheable according to the HTTP protocol and administrator-defined overrides. It can then serve subsequent requests for cached documents from its local cache. The client gets the information faster and network bandwidth utilization is reduced.