Patent ID: 6871209

Claim:
A system for managing transactions between computer systems, comprising: a receiving computer system that receives a request message from a first computer system, wherein the request message corresponds to a response having one or more transaction types and having one more attributes for each of the one or more identified transaction types; a management file accessible by the receiving computer system and containing a plurality of transaction type-attribute strings comprising a transaction type identified by a transaction code having one or more characters masked so as to represent multiple transaction types, the plurality of strings further comprising an attribute and an associated action value representing an action to be taken by the receiving computer system for the attribute, wherein the management file contains a reduced number of transaction type attribute strings for matching a given number of transaction type attribute strings with respect to a management file containing transaction type attribute strings for matching the given number of transaction type attribute strings without the transaction code having one or more characters masked; and a process implemented by the receiving computer system that determines what action to take in response to the received request message by comparing one of the corresponding transaction codes with the transaction type of the plurality of transaction type-attribute strings of the management file to find a transaction type-attribute string that matches both the transaction type and one of the attributes corresponding to the received request.