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When two applications communicate via Messaging, the communication is one-way. The applications may want a two-way conversation.

When an application sends a message, how can it get a response from the receiver?

Send a pair of Request-Reply messages, each on its own channel.

Request-Reply has two participants:


Related patterns: Command Message, Correlation Identifier, Document Message, Remote Procedure Invocation, Event Message, Guaranteed Delivery, Message, Message Channel, Message Sequence, Messaging, Point-to-Point Channel, Polling Consumer, Publish-Subscribe Channel, Return Address

Enterprise Integration Patterns Find the full description of this pattern in:
Enterprise Integration Patterns
Gregor Hohpe and Bobby Woolf
ISBN 0321200683
650 pages
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