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MIGRATION SUPPORT FOR BIT INDEXED EXPLICIT REPLICATION

  • US 20150085635A1
  • Filed: 11/07/2014
  • Published: 03/26/2015
  • Est. Priority Date: 09/17/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving at a node in a network a multicast message comprising an incoming message bit array, whereinthe node is configured to store and use a bit-indexed forwarding table comprising multiple forwarding table entries,each of the multiple forwarding table entries comprises a respective neighbor bit array and is associated with a respective neighboring node, anda set of multiple possible destination nodes for the message corresponds to the same set of respective relative bit positions in the incoming message bit array and each of the neighbor bit arrays;

    comparing the incoming message bit array to a first neighbor bit array associated with a first forwarding table entry of the multiple forwarding table entries;

    determining that for at least one relative bit position the corresponding destination node is both an intended destination for the message and a reachable destination from a first neighboring node associated with the first forwarding table entry; and

    in response to said determining, forwarding toward the first neighboring node a copy of the message comprising a forwarded message bit array, wherein a first node along the path of the forwarded message is not configured to use a respective bit-indexed forwarding table.

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