A methodology for model-checking ad-hoc networks

  • Authors:
  • Irfan Zakiuddin;Michael Goldsmith;Paul Whittaker;Paul Gardiner

  • Affiliations:
  • QinetiQ, Malvern, UK;Formal Systems (Europe) Ltd. and Worcester College, University of Oxford;Formal Systems (Europe) Ltd.; 

  • Venue:
  • SPIN'03 Proceedings of the 10th international conference on Model checking software
  • Year:
  • 2003

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Abstract

Wireless networks, specifically ad-hoc networks, are characterised by rapidly changing network topologies. The dynamic nature of ad-hoc networks makes protocol design and assessment particularly challenging. We present a methodology, based on CSP and the FDR model-checker, to validate critical properties of ad-hoc networks, properties like self-stabilisation. Our work started by applying CSP/FDR to a tactical internet (a military mobile network). The techniques developed there were generalised to our methodology for model-checking ad-hoc networks, and more general self-configuring systems. We first give an overview of the results of model-checking the tactical internet, then we describe the methodology on an ad-hoc network case study, namely the Cluster-Based Routing Protocol. The methodology is quite generic, but it enables the complex dynamic properties of ad-hoc networks to be captured quickly and easily, in models that are ususally readily tractable. We end with a brief discussion of some of its other applications.