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METHOD AND APPARATUS FOR TRAFFIC ENGINEERING IN SHORTEST PATH BRIDGED NETWORKS

  • US 20120076014A1
  • Filed: 09/27/2010
  • Published: 03/29/2012
  • Est. Priority Date: 09/27/2010
  • Status: Active Grant
First Claim
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1. A method of diverting packets of information in a communications network between a first node and a second node from a first shortest path to a second path, the second path different from the first shortest path, the method comprising:

  • associating a first virtual local area network (VLAN) identifier (VID) with the second path in a first direction from the first node toward the second node;

    associating a second VID with the second path in a second direction from the second node toward the first node, the second VID being different from the first VID; and

    diverting packets from the first path to the link being a first hop on the second path when the packets have a Media Access Control (MAC) destination address of a location reachable via the first shortest path between the first node and the second node, andassigning the first VID to all packets transiting the link being the first hop in the first direction on the second path, and assigning the second VID to all packets transiting the link being the first hop in the second direction on the second path.

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