Give2Get: Forwarding in Social Mobile Wireless Networks of Selfish Individuals

Authors:
Alessandro Mei;Julinda Stefa
Affiliations:
-;-
Venue:
ICDCS '10 Proceedings of the 2010 IEEE 30th International Conference on Distributed Computing Systems
Year:
2010

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Abstract

In this paper we present two forwarding protocols for mobile wireless networks of selfish individuals. We assume that all the nodes are selfish and show formally that both protocols are Nash equilibria, that is, no individual has an interest to deviate. Extensive simulations with real traces show that our protocols introduce an extremely small overhead in terms of delay, while the techniques we introduce to force faithful behavior have the positive side-effect to improve performance by reducing the number of message considerably (more than 20\%). We test our protocols also in the presence of a natural variation of the notion of selfishness—nodes that are selfish with outsiders and faithful with people from the same community. Even in this case, our protocols are shown to be very efficient in detecting possible misbehavior.