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Communication system, control device, processing rule setting method, packet transmission method, and program

  • US 20110317701A1
  • Filed: 07/25/2011
  • Published: 12/29/2011
  • Est. Priority Date: 01/05/2010
  • Status: Abandoned Application
First Claim
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1. A communication system, comprising a plurality of forwarding nodes and a plurality of control devices, whereineach of the plurality of forwarding nodes comprises a packet processing unit that performs processing of a received packet based on a processing rule set in advance or received from a control device associated with an own forwarding node, andthe plurality of control devices includes a first control device that comprises:

  • a correspondence management unit that stores correspondence between each of the plurality of forwarding nodes and each of the plurality of control devices; and

    a path transmission unit that, in response to a predetermined trigger, refers to the correspondence between each of the plurality of forwarding nodes and each of the plurality of control devices, and transmits, among forwarding path information, forwarding path information that includes at least a forwarding node associated with the own first control device, to an other second control device associated with a forwarding node that is not associated with the own first control device, among forwarding nodes on a forwarding path of a received packet.

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