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Traffic fencing mechanism for control plane enabled networks

  • US 8,224,948 B2
  • Filed: 01/29/2010
  • Issued: 07/17/2012
  • Est. Priority Date: 12/26/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a network device, a traffic fencing function for a network, the traffic fencing function relating to traffic directed to or from a portion of the network; and

    providing, by the network device and based on the received traffic fencing function, an attribute to another network device in the network, to enable activation of a rule of a link state routing algorithm used by the other network device, the attribute allowing the other network device to implement the traffic fencing function, the attribute including;

    a first bit that indicates an ON/OFF state of the traffic fencing function, andone or more second bits that indicate one or more types of the traffic fencing function.

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