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Rerouting multicast traffic in response to detecting imminent network disruption

  • US 20070189193A1
  • Filed: 02/16/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/16/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • detecting an imminent topology change;

    identifying a new multicast distribution tree for a multicast group, in response to detection of the imminent topology change;

    sending a join message towards a root of the new multicast distribution tree;

    continuing to forward multicast traffic addressed to the multicast group via a current multicast distribution tree, subsequent to sending the join message.

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