Web Cache
- Posted by Giselle on October 15th, 2009 filed in Information
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Web caches can be deployed in a variety of ways. User agent caches, such as those in web browsers, are private caches, operating on behalf of a single user. Intermediaries can also implement shared caches that serve more than one person.Caching was originally designed to speed up content access and reduce the need for the enterprise to purchase expensive bandwidth. Initially the cache was the object of everyone’s desire to accelerate applications. As a result, Web 1.0 applications had their own protocols (HTTP, FTP, NNTP, RTSP, etc.) each with their own caching needs.
Web 2.0 applications replace their Web 1.0 predecessors with standard use of HTTP and HTTPS, obsolescing the need for separate protocols supporting separate applications and hence the caching needs they require. Rapid adoption of Web 2.0 applications and wide availability of inexpensive bandwidth dictates a review of how network traffic and application use have changed: