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Lookup front end packet output processor

  • US 9,497,117 B2
  • Filed: 11/18/2013
  • Issued: 11/15/2016
  • Est. Priority Date: 08/02/2011
  • Status: Active Grant
First Claim
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1. A method of processing a packet comprising:

  • merging a plurality of sub-tree responses from a processing cluster, the processing cluster performing rule matching for a packet, the plurality of sub-tree responses being responsive to lookup requests associated with the packet, each of the sub-tree responses including a lookup response based on rule matching the packet against a subset of rules specified by a sub-tree; and

    outputting a lookup result to a host processor, the lookup result including at least one of the plurality of sub-tree responses based on relative priority of the plurality of sub-tree responses.

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