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Caching content and state data at a network element

  • US 20060167975A1
  • Filed: 11/23/2004
  • Published: 07/27/2006
  • Est. Priority Date: 11/23/2004
  • Status: Active Grant
First Claim
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1. A method of responding to a request using server response data that is cached at a network element, the method comprising the computer-implemented steps of:

  • intercepting, at the network element, one or more data packets that a client application addressed to a server application that is hosted on a device other than the network element;

    determining an application layer message that is contained in one or more payload portions of the one or more data packets, wherein the application layer message specifies a particular request for specified data from the server application;

    determining a portion of the specified data that is contained in a cache maintained at the network element;

    sending, toward the server application, a particular message that requests dynamically generated data that is not contained in the cache, wherein the particular message does not request the portion of the specified data that is contained in the cache;

    receiving, from the server application, a first response that contains the dynamically generated data; and

    sending, toward the client application, a second response that contains both the dynamically generated data and the portion of the specified data that is contained in the cache.

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