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Method and apparatus for neighborhood discovery across disparate point-to-point networks

  • US 7,673,061 B2
  • Filed: 07/17/2006
  • Issued: 03/02/2010
  • Est. Priority Date: 03/28/2006
  • Status: Expired due to Fees
First Claim
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1. A network, comprising:

  • first and second link layer network nodes communicating with each other via a communications path, the first and second link layer network nodes being layer 2 network nodes;

    a first network layer network node communicating with a second network layer network node, each network layer network node communicating locally with respective link layer network nodes using different Internet Protocol (IP) link layer protocols, the first and second network layer network nodes being layer 3 network nodes; and

    first and second discovery units, exchange units, and reporting units configured to operate in connection with respective first and second link layer network nodes to determine respective unique identifiers associated with the network layer network nodes, to exchange the unique identifiers with each other, and to provide the unique identifier of a distal network layer network node to the respective local network layer network nodes.

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