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SOURCE ROUTING CONVERGENCE IN CONSTRAINED COMPUTER NETWORKS

  • US 20140355425A1
  • Filed: 08/15/2014
  • Published: 12/04/2014
  • Est. Priority Date: 06/01/2011
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • pre-computing diverse source-routed paths to one or more nodes in a computer network by a source routing device;

    receiving a particular packet at the device;

    forwarding the particular packet on a source-routed first path of the pre-computed diverse paths;

    implicitly detecting failure of the first path by the device by determining that there is no returned link-layer acknowledgment for the particular packet from a destination of the particular packet; and

    forwarding a copy of the particular packet on a source-routed second path of the pre-computed diverse paths in response to the implicitly detected failure of the first path.

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