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System and method for secure transactions over a network

  • US 20050108576A1
  • Filed: 12/02/2004
  • Published: 05/19/2005
  • Est. Priority Date: 09/15/1999
  • Status: Active Grant
First Claim
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1. A method of providing reliable transactions over a communication network comprising the steps of:

  • determining a need in a node in a transaction network to update a transmission path capacity indicator between the node and a destination node in the transaction network;

    formulating an application layer transaction request message in the node as a probe packet for the purposes of updating the transmission path capacity indicator;

    selecting one of a plurality of output ports on the node for transmitting the probe packet to the destination node;

    transmitting the probe packet to an adjacent node;

    receiving an application layer transaction response message from the adjacent node correlated with the probe packet using a message identifier number;

    determining a time duration in the node based on a first time associated with the transmission of the probe packet and a second time associated with the receipt of the application layer transaction response message; and

    updating the transmission path capacity indicator based on the time duration.

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