Importance

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Abstract

A method and system for coordinating distributed transactions provides atomic processing of distributed transactions on computers in a network with asynchronous message delivery. In a distributed transaction, an application on a first computer initiates a first operation and sends a request message for a second operation to a second application on a remote computer. The first operation and the sending of the request message are performed in a local committed transaction on the first computer. The request message is delivered exactly once and in order to the remote computer and is read by the second application. The performance of the second operation and the sending of an acknowledgment to the first application are performed in a local committed transaction by the second computer. The sending computer and the receiving computer of the request message may be on two different message queuing systems bridged by a connector computer which translates a message from one message queuing system and forwards the message to the destination queue in the other message queuing system.

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First Claim