Ant-Based Adaptive Trust Evidence Distribution in MANET

  • Authors:
  • Tao Jiang;John S. Baras

  • Affiliations:
  • -;-

  • Venue:
  • ICDCSW '04 Proceedings of the 24th International Conference on Distributed Computing Systems Workshops - W7: EC (ICDCSW'04) - Volume 7
  • Year:
  • 2004

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Abstract

Due to the lack of infrastructure and vulnerabilityof wireless links, security in ad hoc networks isconsidered to be much more difficult than intraditional hierarchical networks. Building the trustrelationship between entities is a fundamental problemin ad hoc networks, since the availability of servers,which distribute trust certificates, is not guaranteed.Furthermore, the existence of any trusted server mightnot be assumed either. Therefore, the commonly usedkey distribution center (KDC) and certificationauthority (CA) are not applicable in such highlyautonomous environments. In this paper, we propose ascheme for the distribution of trust certificates, whichis completely distributed and adaptive to mobility. Ourscheme is based on the swarm intelligence paradigm,which has been used for routing both in wired andwireless networks. Our simulations in ns-2 show that itperforms very well in ad hoc environments.