A secure credit-based cooperation stimulating mechanism for MANETs using hash chains

One of the most challenging problems in self-organized mobile ad hoc networks (MANETs), which consist of autonomous and self-interested nodes, is to stimulate the nodes to cooperate in routing and packet forwarding. In this paper, we propose a novel credit-based cooperation mechanism that utilizes h...

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Bibliographic Details
Published in:Future generation computer systems 2009-09, Vol.25 (8), p.926-934
Main Authors: Janzadeh, Hamed, Fayazbakhsh, Kaveh, Dehghan, Mehdi, Fallah, Mehran S.
Format: Article
Language:English
Subjects:
Cooperation mechanisms
Game theory
Hash chains
Mobile ad hoc networks
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Summary:One of the most challenging problems in self-organized mobile ad hoc networks (MANETs), which consist of autonomous and self-interested nodes, is to stimulate the nodes to cooperate in routing and packet forwarding. In this paper, we propose a novel credit-based cooperation mechanism that utilizes hash chains on messages to defend against cheating by the nodes. We show that it imposes a low workload on the nodes in comparison with the mechanisms that deploy digital signature schemes. Moreover, through a game-theoretic analysis, it is shown that any level of cooperation by a node will be attainable if the mechanism makes appropriate payments.
ISSN:0167-739X
1872-7115
DOI:10.1016/j.future.2008.12.002