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System and method for exchanging awareness information in a network environment

  • US 8,098,589 B2
  • Filed: 12/21/2007
  • Issued: 01/17/2012
  • Est. Priority Date: 07/24/2003
  • Status: Active Grant
First Claim
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1. An apparatus for communicating packets in a network environment, comprising a network element configured to:

  • receive a packet and identify a sequence number included in the packet, wherein the sequence number is associated with a state of one or more adjacent network elements;

    exchange incremental state information with the one or more adjacent network elements if the sequence number included in the packet has not already been received, the incremental state information comprising neighbor state changes that occur after receipt of a previous sequence number;

    receive a full neighbor state update when a new neighbor relationship has formed between network elements; and

    process the full neighbor state update if the network element is missing state information and ignore the full neighbor state update if the network element has full state information.

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