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Fault-Tolerant Static Scheduling for Real-Time Distributed Embedded Systems

Abstract : This paper investigates fault-tolerance issues in real-time distributed embedded systems. Our goal is to propose solutions to automatically produce distributed and fault-tolerant code. We first characterize the systems considered by giving the main assumptions about the physical and logical architecture of these systems. In particular, we consider only processor failures, with a fail-stop behavior. Then, we give a state of the art of the techniques used for fault-tolerance. We also briefly present the «Algorithm Architecture Adequation» method (åa), used to obtain automaticall- y distributed code. The heart of AAA is a scheduling heuristic that produces automatically a static distributed schedule of a given algorithm onto a given distributed architecture. Our idea is to adapt the AAA method so that it produces automatically a static distributed and fault-tolerant schedule. For this purpose, we discuss several tracks of software implemented fault-tolerance within the AAA method. We present in details two new schedulin- g heuristics that achieve this goal.
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Submitted on : Wednesday, May 24, 2006 - 10:28:16 AM
Last modification on : Thursday, February 3, 2022 - 11:18:47 AM
Long-term archiving on: : Sunday, April 4, 2010 - 11:16:32 PM


  • HAL Id : inria-00072638, version 1


Alain Girault, Christophe Lavarenne, Mihaela Sighireanu, Yves Sorel. Fault-Tolerant Static Scheduling for Real-Time Distributed Embedded Systems. [Research Report] RR-4006, INRIA. 2000. ⟨inria-00072638⟩



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