Cooperative Security Schemes for Mobile Ad-Hoc Networks

Authors:
P. Caballero-Gil;C. Hernández-Goya
Affiliations:
Dpto. Estadística, I.O. y Computación, Universidad de La Laguna, La Laguna, Spain 38271;Dpto. Estadística, I.O. y Computación, Universidad de La Laguna, La Laguna, Spain 38271
Venue:
CDVE '08 Proceedings of the 5th international conference on Cooperative Design, Visualization, and Engineering
Year:
2008

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Abstract

The existence of selfish nodes, who do not cooperate in routing and forwarding, is one of the most critical problems for the applicability of Mobile Ad-hoc NETworks (MANETs). In this paper we propose several novel currency-based methods for stimulating cooperation among nodes of a MANET. In particular, the proposed protocols allow improving different aspects of previous schemes based on virtual currency thanks to the incorporation of the concept of credit that will allow broke nodes to use the network while they have not a selfish behaviour. A complete analysis of simulations leads to several conclusions that establish the improvement of the proposal with respect to previous schemes.