A gradual solution to detect selfish nodes in mobile ad hoc networks

  • Authors:
  • Djamel Djenouri;Nadjib Badache

  • Affiliations:
  • CERIST Research Center, Computer Engineering Department, Algiers, Algeria.;CERIST Research Center, Algiers, Algeria

  • Venue:
  • International Journal of Wireless and Mobile Computing
  • Year:
  • 2010

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Abstract

The resource limitation of nodes forming ad hoc networks along with the multi-hop nature of these networks rise a new problem. To preserve its energy a node may behave selfishly and would not forward packets for others, while using their services and consuming their resources. This paper presents a new monitoring solution that mitigates limitations of the watchdog-based monitoring, upon which rely most of the state-of-the-art solutions. The overhead of the proposed solution, termed Two-hop acknowledgment, is gradually decreased through the use of the lower layer acknowledgments (piggybacking), as well as aggregations.