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Publisher-assisted, broker-based caching in a publish-subscription environment

  • US 9,667,737 B2
  • Filed: 09/18/2014
  • Issued: 05/30/2017
  • Est. Priority Date: 02/23/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method for caching potentially repetitive message data in a publish-subscription (pub/sub) messaging environment, comprising:

  • identifying, on a publisher system, a set of data in a first message having a potential to appear in at least one future message;

    associating the set of data with a unique identifier;

    sending the first message to a broker system;

    locating the unique identifier in the first message;

    storing the set of data associated with the unique identifier in a cache of a plurality of subscriber systems;

    generating a second message on the publisher system, the second message having the unique identifier in place of the set of data;

    sending the second message to the plurality of subscriber systems through the broker system;

    locating, by each of the plurality of subscriber systems, the unique identifier in the second message;

    retrieving the set of data from the cache at the plurality of subscriber systems; and

    replacing the unique identifier in the second message with the set of data to yield a completed message at the plurality of subscriber systems.

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