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METHOD AND APPARATUS FOR PROTECTION SWITCHING IN POINT-TO-MULTIPOINT NETWORK

  • US 20130128720A1
  • Filed: 10/11/2012
  • Published: 05/23/2013
  • Est. Priority Date: 11/18/2011
  • Status: Active Grant
First Claim
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1. A method of performing protection switching in a network comprising a first node and a plurality of second nodes that are connected to the first node, the method comprising:

  • counting a number of obstacles that have occurred in a plurality of paths that are connected between the first node and the plurality of second nodes;

    performing protection switching per leaf if the counted number is smaller than a predetermined threshold value; and

    performing protection switching per tree if the counted number is equal to or larger than a predetermined threshold value.

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