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Semantics of Protocol Modules Composition and Interaction

  • Paweł T. Wojciechowski
  • Sergio Mena
  • André Schiper
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2315)

Abstract

This paper studies the semantics of protocol modules composition and interaction in configurable communication systems. We present a semantic model describingCactus and Appia — two frameworks that are used for implementingmo dular systems. The model covers protocol graph, session and channel creation, and inter-module communication of events and messages. To build the model, we defined a source-code-validated specification of a large fragment of the programmingin terface provided by the frameworks; we developed an operational semantics describingthe behaviour of the operations through state transitions, makingexplicit interactions between modules. Developingthe model and a small example implementinga configurable multicast helped us to better understand the design choices in these frameworks. The work reported in this paper is our first step towards reasoningab out systems composed from collections of modules.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Paweł T. Wojciechowski
    • 1
  • Sergio Mena
    • 1
  • André Schiper
    • 1
  1. 1.EPFLSchool of Computer and Communication SciencesLausanneSwitzerland

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