Applying Event-B atomicity decomposition to a multi media protocol

  • Authors:
  • Asieh Salehi Fathabadi;Michael Butler

  • Affiliations:
  • University of Southampton;University of Southampton

  • Venue:
  • FMCO'09 Proceedings of the 8th international conference on Formal methods for components and objects
  • Year:
  • 2009

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Abstract

Atomicity Decomposition is a technique in the Event-B formal method, which augments Event-B refinement with additional structuring in a diagrammatic notation to support complex refinement in Event-B. This paper presents an evaluation of Event-B atomicity decomposition technique in modeling a multi media case study with the diagrammatic notation. Firstly the existing technique and the diagrammatic notation are shown. Secondly an evaluation is performed by developing a model of a Media Channel System. A Media Channel is established between two endpoints for transferring multi-media data. Finally some extensions to the existing diagrammatic notation are proposed and applied to the multi-media case study.