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Bit indexed explicit replication

  • US 10,498,547 B2
  • Filed: 11/30/2017
  • Issued: 12/03/2019
  • Est. Priority Date: 09/17/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, at an ingress node of a network configured for bit indexed forwarding, a data packet comprising a multicast group identifier;

    obtaining, from a group membership table stored at the ingress node, a bit mask corresponding to the multicast group identifier, whereinthe bit mask comprises a plurality of bit positions, andeach bit position of the plurality of bit positions corresponds to a single respective egress node of the network;

    encapsulating the data packet with the bit mask; and

    forwarding the encapsulated data packet using the bit mask.

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