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Method and system for applying cluster-based group multicast to content-based publish-subscribe system

  • US 6,336,119 B1
  • Filed: 03/30/2000
  • Issued: 01/01/2002
  • Est. Priority Date: 11/20/1997
  • Status: Expired due to Term
First Claim
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1. A method of implementing a content-based publish-subscribe system using a group-based multicast, said method comprising:

  • mapping possible groups of the content-based publish-subscribe system to a smaller number of multicast groups, wherein said smaller number of multicast groups comprise brokers, said brokers having consumers;

    using the smaller number of multicast groups to forward an event to interested consumers within the content-based publish-subscribe system;

    wherein said mapping comprises clustering brokers of the published-subscribe system into C clusters, wherein each cluster of said C clusters has its own subset of multicast groups, and wherein C>

    1; and

    wherein said using comprises multicasting the event to interested consumers using the smaller number of groups, and wherein said multicasting comprises multicasting the event up to C times, each multicasting being to interested consumers within a different cluster of said C clusters.

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