Correlation Identifier

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My application is using Messaging to perform a Request-Reply and has received a reply message.

How does a requestor that has received a reply know which request this is the reply for?

Each reply message should contain a Correlation Identifier, a unique identifier that indicates which request message this reply is for.

There are six parts to Correlation Identifier:

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Related patterns: Remote Procedure Invocation, Message, Selective Consumer, Message Sequence, Messaging, Request-Reply, Return Address

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For a full description of the pattern see:

Enterprise Integration PatternsEnterprise Integration Patterns
Gregor Hohpe and Bobby Woolf
ISBN 0321200683
650 pages
Addison-Wesley

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