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Response header invalidation

  • US 10,212,247 B2
  • Filed: 05/03/2016
  • Issued: 02/19/2019
  • Est. Priority Date: 06/30/2010
  • Status: Active Grant
First Claim
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1. A computing system comprising:

  • at least one processor;

    a cache memory connected to the at least one processor;

    wherein the computing system is configured to receive network responses from a server via at least one network communication channel, wherein a network response is a response to a network request submitted by a client device, and wherein the computing system is configured to transmit the network response received from the server to the client device;

    invalidation logic stored in a non-transitory computer-storage medium and including instructions executable by the at least one processor to cause the computing system to;

    in response to receiving the network response to the network request via a network communication, parse the network response to determine whether the network response includes an invalidation directive in a header of the network response;

    in response to the invalidation directive being determined in the header, then causing the processor to;

    identify content to be invalidated that is specified within the invalidation directive; and

    generate and transmit an instruction to invalidate cached content from the cache memory that corresponds to the content identified by the invalidation directive;

    modify the network response by removing the invalidation directive from the header of the network response; and

    transmit the modified network response to the client device that submitted the network request.

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