Quantitative analysis of AODV and its variants on dynamic topologies using statistical model checking

  • Authors:
  • Peter Höfner;Maryam Kamali

  • Affiliations:
  • NICTA, Australia,University of New South Wales, Australia;Turku Centre for Computer Science (TUCS), Finland,Åbo Akademi University, Finland

  • Venue:
  • FORMATS'13 Proceedings of the 11th international conference on Formal Modeling and Analysis of Timed Systems
  • Year:
  • 2013

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Abstract

Wireless Mesh Networks (WMNs) are self-organising ad-hoc networks that support broadband communication. Due to changes in the topology, route discovery and maintenance play a crucial role in the reliability and the performance of such networks. Formal analysis of WMNs using exhaustive model checking techniques is often not feasible: network size (up to hundreds of nodes) and topology changes yield state-space explosion. Statistical Model Checking, however, can overcome this problem and allows a quantitative analysis. In this paper we illustrate this by a careful analysis of the Ad hoc On-demand Distance Vector (AODV) protocol. We show that some optional features of AODV are not useful, and that AODV shows unexpected behaviour--yielding a high probability of route discovery failure.