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System, method and article of manufacture for a modular gateway server architecture

  • US 6,002,767 A
  • Filed: 06/17/1996
  • Issued: 12/14/1999
  • Est. Priority Date: 06/17/1996
  • Status: Expired due to Term
First Claim
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1. A method for communicating between a merchant server and a gateway, comprising the steps of:

  • (a) receiving data into the merchant server;

    (b) parsing the data and generating a formatted transaction in accordance with a predefined syntax;

    (c) encrypting the transaction;

    (d) establishing a first communication link between the merchant server and the gateway;

    (e) transmitting the transaction across the first communication link from the merchant server to the gateway;

    (f) receiving and decrypting the transaction at the gateway;

    (g) authenticating the transaction at the gateway;

    (h) parsing the transaction according to standard syntax rules;

    (i) establishing a second communication link between the gateway and a host;

    (j) generating a message for transmission over the second communication link to the host for payment processing.

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