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A Protocol for Loosely Time-Triggered Architectures

Albert Benveniste 1 Paul Caspi 2 Paul Le Guernic 3 Hervé Marchand 4 Jean-Pierre Talpin 3 Stavros Tripakis 2 
1 SIGMA2 - Signal, models, algorithms
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, INRIA Rennes
3 ESPRESSO - Synchronous programming for the trusted component-based engineering of embedded systems and mission-critical systems
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique
Abstract : A distributed real-time control system has a time-triggered nature, just because the physical system for control is bound to physics. Loosely Time-Triggered Architectures (ltta) are a weaker form of the strictly synchronous Time-Triggered Architecture proposed by Kopetz, in which the different periodic clocks are not synchronized, and thus may suffer from relative offset or jitter. We propose a protocol that ensures a coherent system of logical clocks on the top of ltta, and we provide several proofs for it, both manual and automatic, based on synchronous languages and associated model checkers. We briefly discuss how this can be used for correct deployment of synchronous designs on an ltta
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Contributor : Hervé Marchand Connect in order to contact the contributor
Submitted on : Thursday, October 14, 2010 - 10:25:19 AM
Last modification on : Friday, February 4, 2022 - 3:11:55 AM

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Albert Benveniste, Paul Caspi, Paul Le Guernic, Hervé Marchand, Jean-Pierre Talpin, et al.. A Protocol for Loosely Time-Triggered Architectures. Embedded Software Conference (EMSOFT '02), Oct 2002, Grenoble, France. pp.252-265, ⟨10.1007/3-540-45828-X_19⟩. ⟨inria-00526261⟩



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