Method and apparatus for improving end to end performance of a data network
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United States of America Patent
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Feb 2, 2010
Grant Date -
Dec 16, 2004
app pub date -
Apr 13, 2004
filing date -
Jun 26, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus provide improved cache coherency and more effective caching operations without placing an undue burden on network links. A proxy receives a request for a resource and then, depending on information in the proxy cache, generates a resource request for transmission to a resource server. The proxy appends a proxy filter to the request. The resource server maintains one or more volumes of resources based on some predetermined criterion that can be either static or dynamic in nature. Upon receipt of the request and the proxy filter the resource server generates a request response and a piggybacked list of additional resources selected from the volume with which the requested resource is associated.
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