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METHODS AND APPARATUS FOR UPDATING SUBSOURCE ADDRESSING MULTICAST ROUTING RECORDS IN A COMMUNICATIONS NETWORK

  • US 20080049750A1
  • Filed: 10/31/2007
  • Published: 02/28/2008
  • Est. Priority Date: 07/16/2001
  • Status: Active Grant
First Claim
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1. A method of facilitating subscription among at least two nodes in a distributed network, said method comprising the steps of:

  • designating one of the nodes as a publisher node;

    designating one of the nodes as a subscriber node; and

    recording a path between the subscriber node and the publisher node, the path comprising at least one link between the subscriber node and the publisher node;

    said recording step comprising the step of recording each distinct link in the path between the subscriber node and the publisher node;

    said recording step comprising recording each node in the path between the subscriber node and the publisher node, one node at a time;

    wherein a type of each node in the path is ascertained; and

    wherein the nodes belong to a distributed multicast network.

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