Studying node cooperation in reputation based packet forwarding within mobile Ad hoc networks

Abstract : In the paradigm of mobile Ad hoc networks (MANET), forwarding packets originating from other nodes requires cooperation among nodes. However, as each node may not want to waste its energy, cooperative behavior can not be guaranteed. Therefore, it is necessary to implement some mechanism to avoid selfish behavior and to promote cooperation. In this paper, we propose a simple quid pro quo based reputation system, i.e., nodes that forward gain reputation, but lose more reputation if they do not forward packets from cooperative users (determined based on reputation), and lose less reputation when they chose to not forward packets from non-cooperative users. Under this framework, we model the behavior of users as an evolutionary game and provide conditions that result in cooperative behavior by studying the evolutionary stable states of the proposed game. Numerical analysis is provided to study the resulting equilibria and to illustrate how the proposed model performs compared to traditional models.
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Sara Berri, Vineeth Varma, Samson Lasaulce, Mohammed Said Radjef, Jamal Daafouz. Studying node cooperation in reputation based packet forwarding within mobile Ad hoc networks. Third International Symposium on Ubiquitous Networking, UNet 2017, May 2017, Casablanca, Morocco. 〈hal-01745246〉

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