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System, device, and method for detecting and recovering from failures in a multicast communication system

  • US 20010037472A1
  • Filed: 12/14/2000
  • Published: 11/01/2001
  • Est. Priority Date: 05/02/2000
  • Status: Active Grant
First Claim
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1. A method for detecting a failure in a multicast communication network, the method comprising:

  • joining a multicast group over a primary interface; and

    determining that no multicast group information is received over the primary interface for a predetermined amount of time.

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