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Calculation, representation, and maintanence of sharing information in mesh networks

  • US 20040193728A1
  • Filed: 09/26/2003
  • Published: 09/30/2004
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • representing, in a network data structure, information associated with a mesh network having a plurality of nodes interconnected by a plurality of links, wherein the network data structure comprises, for each link in the network and each node or other link in the network, a representation of a minimum amount of protection bandwidth required to be reserved on said each link to restore service upon failure of said node or other link;

    receiving a request for a new service in the network, wherein the new service is represented by a service data structure comprising an identification of each link and transit node in a primary path for the new service;

    determining, using the network and service data structures, whether the new service requires additional protection bandwidth to be reserved on any link in the network; and

    updating the network data structure if any additional protection bandwidth is determined to be required for the new service.

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