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Network device with service and client routing elements configured to support any-source multicast extranets

  • US 9,503,279 B2
  • Filed: 04/08/2014
  • Issued: 11/22/2016
  • Est. Priority Date: 04/08/2014
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first network device adapted for communication with a plurality of other network devices;

    the first network device comprising;

    a service routing element configured with a first anycast rendezvous point address so as be an anycast rendezvous point peer with at least a second network device in a service routing domain; and

    a client routing element configured with a second anycast rendezvous point address so as to be an anycast rendezvous point peer with at least a third network device in a client routing domain;

    wherein the first network device is configured to receive in its service routing element from a service routing element of the second network device a register message identifying a multicast source, and to provide at least a portion of the register message from its service routing element to its client routing element in a manner that allows the third network device to learn the identity of the multicast source from the client routing element;

    wherein the first network device comprises a provider edge device spanning the service and client routing domains; and

    wherein the third network device comprises a customer edge device in the client routing domain.

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