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Techniques for Reliable Switchover to a Date Multicast Distribution Tree (MDT)

  • US 20120057594A1
  • Filed: 11/15/2011
  • Published: 03/08/2012
  • Est. Priority Date: 05/25/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • accessing a first router configured to broadcast data from a source to a plurality of routers, the first router broadcasting the data as a default multicast distribution tree (MDT), the default MDT broadcasting the data to all of the plurality of routers;

    determining, at the first router, whether to switch from the default MDT to a data MDT, the data MDT broadcasting the data to a portion of the plurality of routers;

    determining, at the first router, which of the plurality of routers comprises the portion of routers that receives the content from the data MDT; and

    upon determining which of the routers comprise the portion of the plurality of routers, switching the first router to broadcast the data from the default MDT to the data MDT.

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