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Cost propagation switch protocols

  • US 6,493,318 B1
  • Filed: 01/11/1999
  • Issued: 12/10/2002
  • Est. Priority Date: 05/04/1998
  • Status: Expired due to Term
First Claim
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1. A method operable within a plurality of network switches for exchanging cost information among said plurality of network switches, said method comprising the steps of:

  • propagating cost information packets between a first switch of said plurality of network switches and other switches of said plurality of network switches so as to propagate cost information among said plurality of network switches; and

    periodically repeating the propagation of said cost information packets based upon expiration of a pre-determined period of time so as to periodically update the cost information among said plurality of network switches instead of updating the cost information directly in response to any cost parameter change.

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