About the self-stabilization of a virtual topology for self-organization in ad hoc networks

  • Authors:
  • Fabrice Theoleyre;Fabrice Valois

  • Affiliations:
  • CITI, INRIA ARES, INSA Lyon, Villeurbanne, France;CITI, INRIA ARES, INSA Lyon, Villeurbanne, France

  • Venue:
  • SSS'05 Proceedings of the 7th international conference on Self-Stabilizing Systems
  • Year:
  • 2005

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Abstract

Ad hoc networks are spontaneous wireless networks without any wired infrastructure, composed of mobile terminals. We assume that nodes must collaborate to set up an efficient network, such a collaboration requiring a self-organization in the network. We proposed a virtual structure to organize the network: the backbone is a connected structure helping to optimize the control traffic flooding. Clusters form services area, hierarchizing the network, electing one leader per cluster. Since the ad hoc topology is volatile, the self-stabilization of the algorithms is vital. The algorithms for both the construction and the maintenance are analytically studied to prove the self-stabilization of the proposed self-organization. Thus, the virtual structure is efficient and very scalable, a local topology change impacting only locally the virtual structure. Finally, simulations investigate the behavior and the performances of the virtual structure.