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Server to client cache protocol for improved web performance

  • US 6,138,141 A
  • Filed: 10/18/1996
  • Issued: 10/24/2000
  • Est. Priority Date: 10/18/1996
  • Status: Expired due to Term
First Claim
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1. In a data network including a cache and a server, a method comprising the steps of:

  • receiving a request at the server from the cache for information to be kept informed about changes made by said server to the contents of an object in the server; and

    providing the requested information to the cache about a change to the contents of the object in the server, whenever a change occurs in the contents of the object in the server, or at the end of each periodic interval if a change occurs in the contents of the object during said interval, as specified by said cache until directed to stop.

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