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FORWARDING TABLE PRECEDENCE IN SDN

  • US 20160072696A1
  • Filed: 09/05/2014
  • Published: 03/10/2016
  • Est. Priority Date: 09/05/2014
  • Status: Active Grant
First Claim
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1. A method in a first network device operating in a forwarding plane for maintaining a shared forwarding table based on forwarding table precedence information received from a second network device operating in a control plane, wherein the shared forwarding table implements a plurality of forwarding tables, the method comprising:

  • receiving information associated with a first forwarding table from the second network device, the information including a plurality of entries and precedence information, the precedence information indicating a priority of the plurality of entries of the first forwarding table; and

    for each entry of the first forwarding table, determining whether the entry should be inserted in the shared forwarding table based on the precedence information of the first forwarding table and precedence information contained in the shared forwarding table, wherein the precedence information contained in the shared forwarding table indicates a priority of each corresponding entry stored in the shared forwarding table.

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