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Windows® Essential Business Server 2008 Administrator's Companion by J. C. Mackin, Charlie Russel

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Understanding Web Caching in Forefront TMG

Forefront TMG implements a cache feature to improve performance and response times for Web requests. When Web caching is enabled and configured, Web objects downloaded from the Internet are stored on a locally configured cache on the Security Server. Whenever a user makes a Web request, the caching mechanism serves the requested object directly from this cache instead of making a new request to the Internet.

Forefront TMG provides two types of caching:

  • Forward caching. Forward caching provides cached Web objects to internal users making Web requests to the Internet.

  • Reverse caching. Reverse caching provides cached content from internal Web servers published by Forefront TMG to external users. Reverse caching ...

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