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Method of connectionless message transfer in an asynchronous transfer mode network

  • US 6,310,877 B1
  • Filed: 04/30/1998
  • Issued: 10/30/2001
  • Est. Priority Date: 04/30/1998
  • Status: Expired due to Term
First Claim
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1. In an Asynchronous Transfer Mode (ATM) network including a source user, destination user and one or more nodes, a method of transferring a short message via a fast connectionless type call, said method comprising the steps of:

  • sending, from said source user to its attached node, a setup message indicating that a fast type call is to be set up to said destination user;

    configuring said short message from said source user;

    sending, from said attached node to said source user, a connect message indicating to said source user to immediately begin transmitting said short message;

    calculating a routing path to said destination by said attached node, the routing path including selected ones of said one or more nodes, the routing path including a last node, each of the nodes on the routing path having an associated next node and previous node and a previous node;

    transmitting said short message from said source user to said attached node;

    at each node on said routing path;

    forwarding said setup message to the next node of each node on said routing path;

    configuring the each node to receive said short messages from the previous node of the each node;

    forwarding said short message the next node of the each node on said routing path;

    releasing resources allocated on each node once said short message has traversed all of the nodes on said routing path;

    at the last node on said routing path;

    forwarding said message to said destination user;

    configuring the last node to receive said short message from the previous node of the last node;

    forwarding said short message to said destination user; and

    releasing resources allocated on the last node once said short message has been forwarded to said destination user.

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