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HTTP publish/subscribe communication protocol

  • US 20070192325A1
  • Filed: 02/01/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/01/2006
  • Status: Active Grant
First Claim
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1. A communication protocol for distributing information related to a resource in substantially real-time to a subscriber, the communication protocol comprising:

  • a first HTTP request message for allowing the subscriber to request a subscription to information related to the resource, wherein the first HTTP request message includes subscription data in at least one of a header and a Uniform Resource Identifier (URI) reference associated with the first HTTP request message, wherein the subscription data identifies the first HTTP request message as a subscription request;

    a second HTTP request message for allowing a publisher to update the information related to the resource; and

    an HTTP response message for allowing a publish/subscribe service to notify the subscriber of the updated information related to the resource each time the publish/subscribe service receives the second HTTP request message from the publisher.

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