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Preserving the Consistency of Distributed Objects With Real-Time Transactions

Pascale Minet 1 Laurent George 
1 HIPERCOM - High performance communication
Inria Paris-Rocquencourt, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR
Abstract : In this paper, we study the problem of maintaining the consistency of distributed objects in real-time. Sporadic transactions sent by a set of clients must be processed by a set servers with a bounded end-to-end response time. We propose in this article a solution, following the state machine approach, based on a particular non-preemptive scheduling denoted EDF* (Earliest Deadline First *). The scheduling on the servers is based on timestamps set by the clients and on an end-to-end deadline to respect. The clock of clients and servers are $\epsilon$ synchronized. We establish in this article the feasibility conditions of the distributed real-time system that permits to grant the consistency of distributed objects and the respect of end-to-end deadlines associated to transactions in charge of read/write access to the objects.
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https://hal.inria.fr/inria-00459397
Contributor : Pascale Minet Connect in order to contact the contributor
Submitted on : Tuesday, February 23, 2010 - 6:12:57 PM
Last modification on : Sunday, June 26, 2022 - 11:51:29 AM

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  • HAL Id : inria-00459397, version 1

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Pascale Minet, Laurent George. Preserving the Consistency of Distributed Objects With Real-Time Transactions. Second Workshop sur la cohérence des données en univers réparti - CDUR 2008, Jun 2008, Lyon, France. ⟨inria-00459397⟩

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