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ACKNOWLEDGEMENT-BASED REROUTING OF MULTICAST TRAFFIC

  • US 20120188909A1
  • Filed: 03/26/2012
  • Published: 07/26/2012
  • Est. Priority Date: 12/13/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a join message specifying a multicast group, wherein the join message is sent by a first network device, andthe join message requests acknowledgment;

    in response to the receiving the join message,determining whether a multicast tree corresponding to the multicast group already exists; and

    sending an acknowledgment message to the first network device, in response to a determination that the multicast tree already exists.

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