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Methods and apparatus to select composite link cost-out thresholds

  • US 7,974,213 B2
  • Filed: 11/21/2008
  • Issued: 07/05/2011
  • Est. Priority Date: 11/21/2008
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • collecting traffic statistics for a communication network;

    computing, based on the traffic statistics, a plurality of projected flow rates for a composite link of the communication network for respective ones of a plurality of potential fault conditions for the composite link;

    computing a plurality of projected remaining capacities of the composite link for respective ones of the plurality of fault conditions, each of the plurality of projected remaining capacities representing a difference between a projected capacity of the composite link were the corresponding potential fault condition to occur and the corresponding projected flow rate;

    selecting a cost-out threshold for the composite link based on the plurality of projected flow rates and the plurality of projected remaining capacities, the cost-out threshold representing an actual remaining capacity of the composite link when a router stops at least one of routing or transporting data via the composite link; and

    configuring the router associated with the composite link with the cost-out threshold.

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