Exactly-once Delivery
For many critical systems duplicate messages are inacceptable. The messaging system ensures that each message is delivered exactly once by filtering possible message duplicates automatically.
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How can it be assured that a message is delivered only exactly once to a receiver? |
Context
Message duplicity is a very critical design issue for Distributed Applications and or application components that exchange messages via a Message-oriented Middleware.
Solution
Upon creation, each message is associated with a unique message identifier. This identifier is used to filter message duplicates during their traversal from sender to receiver.
