Development of a formalism for modelling and analysis of dynamic reconfiguration of dependable real-time systems: a technical diary

  • Authors:
  • Anirban Bhattacharyya;John S. Fitzgerald

  • Affiliations:
  • Newcastle University, Newcastle upon Tyne, UK;Newcastle University, Newcastle upon Tyne, UK

  • Venue:
  • Proceedings of the 2008 RISE/EFTS Joint International Workshop on Software Engineering for Resilient Systems
  • Year:
  • 2008

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Abstract

This paper presents the first step towards a formalism for the modelling and analysis of dynamic reconfiguration of dependable real-time systems. The first version of our formalism (CCSdp) is focused on dynamic process reconfiguration. That is, process creation, deletion and replacement at run-time. We illustrate the process through which CCSdp is being developed using a series of trials in modelling a highly simplified sensor array, in order to determine the simplest construct necessary for modelling process reconfiguration. We define the syntax and operational semantics of CCSdp, and identify a bisimulation for further investigation.