Parameterized verification of ad hoc networks

  • Authors:
  • Giorgio Delzanno;Arnaud Sangnier;Gianluigi Zavattaro

  • Affiliations:
  • University of Genova;University of Genova;University of Bologna

  • Venue:
  • CONCUR'10 Proceedings of the 21st international conference on Concurrency theory
  • Year:
  • 2010

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Abstract

We study decision problems for parameterized verification of a formal model of Ad Hoc Networks with selective broadcast and spontaneous movement. The communication topology of a network is represented as a graph. Nodes represent states of individual processes. Adjacent nodes represent single-hop neighbors. Processes are finite state automata that communicate via selective broadcast messages. Reception of a broadcast is restricted to single-hop neighbors. For this model we consider verification problems that can be expressed as reachability of configurations with one node (resp. all nodes) in a certain state from an initial configuration with an arbitrary number of nodes and unknown topology. We draw a complete picture of the decidability boundaries of these problems according to different assumptions on communication graphs, namely static, mobile, and bounded path topology.