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METHOD TO DO FAST TRAFFIC SWITCHOVER BASED ON SERVER LAYER STATUS

  • US 20150334006A1
  • Filed: 04/20/2012
  • Published: 11/19/2015
  • Est. Priority Date: 04/20/2012
  • Status: Abandoned Application
First Claim
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1. A method, by a node operative in a data communication network, of rapidly forwarding data packets along one of redundant paths, comprising:

  • receiving a data packet to be forwarded on a primary or secondary path to a destination, the data packet classified into a server layer defined by physical facilities utilized by the primary path;

    deriving a forwarding table index from the received data packet;

    indexing a forwarding table using the forwarding table index and obtaining a server layer index from a forwarding table entry;

    indexing a server layer status table using the server layer index to determine whether the primary path associated with the server layer is functional; and

    if the primary path is not functional, forwarding the data packet along the secondary path toward the destination.

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