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Event driven communication system

  • US 6,901,447 B2
  • Filed: 08/15/2002
  • Issued: 05/31/2005
  • Est. Priority Date: 03/17/1997
  • Status: Expired due to Term
First Claim
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1. A publish-subscribe communications system in which data is published in response to events, said system comprising:

  • at least one data source serving as a publisher of data in response to events;

    at least one subscriber; and

    a plurality of software channels for storing and transmitting data furnished by selected ones of said at least one data source to selected ones of said at least one subscriber, each of said software channels defining a software protocol specifying how data sources publish to the channel and how subscribers subscribe to the channel whereby data published to a channel is made available to all subscribers subscribing to that same channel;

    wherein at least a first channel of said channels defines a software protocol for accepting data from a second channel of said channels as a publisher.

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