System, device, and method for expediting reconvergence in a communication network

  • US 6,697,325 B1
  • Filed: 12/07/1999
  • Issued: 02/24/2004
  • Est. Priority Date: 12/07/1999
  • Status: Expired due to Term
First Claim
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1. A method for expediting reconvergence by a node in a communication network, the method comprising:

  • receiving a first indication of a communication link failure from a first supporting node;

    determining a second supporting node that is associated with the failed communication link by maintaining a topology database including a list of communication links associated with each of a plurality of nodes, and using the topology database to determine that the second supporting node is associated with the failed communication link;

    disassociating the failed communication link from the first supporting node and the second supporting node; and

    computing new routes accounting for the disassociation of the failed communication link from the first supporting node and the second supporting node.

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