Transcription of Exactly-once semantics in a replicated messaging …
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Exactly-once semantics in a replicated messaging …
Exactly-once semantics in a replicated messaging systemAbstractA distributed message delivery system can use repli-cation to improve performance and availability. How-ever, without safeguards, replicated messages may bedelivered to a mobile device more than once, makingthe device s user repeat actions ( , making unnec-essary phone calls, firing weapons repeatedly). In thispaper we address the problem of Exactly-once deliveryto mobile clients when messages are replicated . Wedefine Exactly-once semantics and propose algorithmsto guarantee it. We also propose and define a relaxedversion of Exactly-once semantics which is appropri-ate for limited capability mobile devices.
Exactly-once semantics in a replicated messaging system Abstract A distributed message delivery system can use repli-cation to improve performance and availability.
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