Autonomic trust reasoning enables misbehavior detection in OLSR

  • Authors:
  • Asmaa Adnane;Rafael T. de Sousa, Jr.;Christophe Bidan;Ludovic Mé

  • Affiliations:
  • SUPELEC, Cesson-Sévigné, France;University of Brasília, Brasília Brazil;SUPELEC, Cesson-Sévigné, France;SUPELEC, Cesson-Sévigné, France

  • Venue:
  • Proceedings of the 2008 ACM symposium on Applied computing
  • Year:
  • 2008

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Abstract

Ad Hoc networks do not rely on any centralized administration or fixed network infrastructure and their nodes establish a routing structure in a self-organized way, by means of an ad hoc routing protocol such as OLSR. Ad hoc route discovery and maintenance introduce specific security problems for routing protocols to prevent, detect or respond. Solutions to secure these routing protocols using some centralized units or trusted third-parties actually constrain the self-organization of ad hoc networks. In this paper, we propose for OLSR the integration of trust reasonings into each node behavior, so as to allow a self-organized trust-based control to help nodes to detect misbehavior attacks. Our analysis of OLSR brings out the trust rules that characterize this protocol and allows us to express formally the trust-related properties that can be verified by each node to assess the correct behavior of the other nodes. Simulation of OLSR with nodes reasoning on trust allows us to demonstrate the effectiveness of our approach and to compare trust-based routing choices with the bare OLSR reachability-based choices.