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Method of dynamically routing to a well known address in a network

  • US 6,205,146 B1
  • Filed: 05/28/1998
  • Issued: 03/20/2001
  • Est. Priority Date: 05/28/1998
  • Status: Expired due to Term
First Claim
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1. In an Asynchronous Transfer Mode (ATM) network having a plurality of nodes, a network server application implemented on one of said nodes, a method of routing to a well known address, said method comprising the steps of:

  • sending an indication message containing a cost value on a periodic basis out on all Network to Network Interface (NNI) ports in the node that implements said network server application;

    receiving a message containing said cost value on a node;

    registering said well known address and a received cost value associated therewith on the port receiving said indication message if said well known address has not been previously registered;

    updating an existing cost value with said received cost value;

    incrementing said received cost value by one to yield a new cost value;

    forwarding an indication message containing said new cost value out on ports having a larger cost value registered therewith and on ports without a registered cost value if said received cost value is smaller than or equal to the smallest cost value associated with other NNI ports; and

    routing a call request to said network server application, made by a user connected to a node, via the port with the smallest cost value associated therewith.

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