Consistent reconfiguration for publish/subscribe architecture styles

  • Authors:
  • Imen Loulou;Ahmed Hadj Kacem;Mohamed Jmaiel;Khalil Drira

  • Affiliations:
  • University of Sfax, Laboratory LARIS, Sfax, Tunisia;University of Sfax, Laboratory LARIS, Sfax, Tunisia;University of Sfax, Laboratory LARIS, Sfax, Tunisia;LAAS-CNRS, Toulouse, France

  • Venue:
  • VECoS'07 Proceedings of the First international conference on Verification and Evaluation of Computer and Communication Systems
  • Year:
  • 2007

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Abstract

This paper addresses the dynamic aspect of Publish/Subscribe architectures. We propose an integrated formal approach for the specification and verification of reconfigurations over the topology of Publish/Subscribe architecture styles. We integrate a functional approach and a structural approach based on graph grammars. The purpose is to express dynamism while offering a simple specification which can be easy to read and to understand. We use the specification language Z to describe the constraints made on the architecture style and we describe the dynamic of architecture via guarded graph-rewriting rules whose guards mainly describe the pre- and post-conditions ensuring in this way the preservation of stylistic constraints. To ensure that the system is evolving correctly, we elaborate a verification process which validates each rule, whose semantic is described in Z notation, using the ZEVES theorem prover.