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A compositional semantics for fault-tolerant real-time systems

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Formal Techniques in Real-Time and Fault-Tolerant Systems (FTRTFT 1992)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 571))

Abstract

Motivated by the close relation between real-time and fault-tolerance, we investigate the foundations of a formal framework to specify and verify real-time distributed systems that incorporate fault-tolerance techniques. Therefore a denotational semantics is presented to describe the real-time behaviour of distributed programs in which concurrent processes communicate by synchronous message passing. New is that in this semantics we allow the occurrence of failures, due to faults of the underlying execution mechanism, and we describe the effect of these failures on the real-time behaviour of programs. Whenever appropriate we give alternative choices for the definition of the semantics. The main idea is that making only very weak assumptions about faults and their effect upon the behaviour of a program in the semantics, any hypothesis about faults must be made explicit in the correctness proof of a program.

Supported by NWO/SION Project 612-316-022: “Fault Tolerance: Paradigms, Models, Logics, Construction”.

Supported by ESPRIT-BRA Project 3096: “Formal Methods and Tools for the Development of Distributed Real-Time Systems (SPEC)”.

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Authors and Affiliations

  1. Dept. of Math. and Computing Science, Eindhoven University of Technology, P.O. Box 513, 5600, MB Eindhoven, The Netherlands

    J. Coenen & J. Hooman

Authors
  1. J. Coenen
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  2. J. Hooman
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Jan Vytopil

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© 1991 Springer-Verlag Berlin Heidelberg

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Coenen, J., Hooman, J. (1991). A compositional semantics for fault-tolerant real-time systems. In: Vytopil, J. (eds) Formal Techniques in Real-Time and Fault-Tolerant Systems. FTRTFT 1992. Lecture Notes in Computer Science, vol 571. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55092-5_3

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  • DOI: https://doi.org/10.1007/3-540-55092-5_3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-55092-1

  • Online ISBN: 978-3-540-46692-5

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