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Shared cache parsing and pre-fetch

  • US 6,393,526 B1
  • Filed: 10/28/1997
  • Issued: 05/21/2002
  • Est. Priority Date: 10/28/1997
  • Status: Expired due to Term
First Claim
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1. A computer controlled method for reducing access delays associated with accesses to a proxy cache, said proxy cache having a mass storage, a memory and at least one central processing unit (CPU), said mass storage and said memory storing a plurality of cached objects received from a network from at least one server, said method including steps of:

  • providing, by said proxy cache, a specified web document from said at least one server responsive to a request from a client;

    parsing, by said proxy cache, said specified web document to identify a set of embedded references;

    determining, by said proxy cache, which of said set of embedded references reference a set of not-cached-objects not in said plurality of cached objects;

    requesting, by said proxy cache and independent of an additional request from said client, one or more of said set of not-cached-objects responsive to the step of determining;

    receiving, by said proxy cache, said one or more of said set of not-cached-objects;

    adding, by said proxy cache, said one or more of said set of not-cached-objects to said plurality of cached objects;

    determining, by said proxy cache, which of said plurality of cached objects associated with said set of embedded references are in said mass storage but not in said memory; and

    copying one or more of said plurality of cached objects in said mass storage but not in said memory from said mass storage to said memory.

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