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Method and apparatus for restoration of an ATM network

  • US 6,122,759 A
  • Filed: 10/10/1995
  • Issued: 09/19/2000
  • Est. Priority Date: 10/10/1995
  • Status: Expired due to Fees
First Claim
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1. A method of restoring communications in an ATM network, said network including a plurality of network elements including network links and network switching nodes, said network switching nodes adapted for communications with wireless mobile devices, said method comprising the steps of:

  • generating a failure message indicative of a failure of a network element, said failure message including an identification of said network element and a predetermined VPI/VCI reserved for failure reporting, said failure based on non-receipt of data from said network element;

    communicating said failure message to all said switching nodes in said network;

    referencing updated routing tables at said switching nodes, wherein said network element indicated in said failure message is eliminated from routes in said network, androuting said failure message in said switching nodes of said network based on a tree identification, wherein each of said switching nodes is included in a network tree spanning all said switching nodes in said network, wherein each of said switching nodes is included as a root in a specific network tree, each said network tree having a specific tree identification, said failure message further including a tree identification field containing said specific tree identification.

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