A Game-Theoretic Analysis of Cooperation in Anonymity Networks

Mu Yang 1 Vladimiro Sassone 1, * Sardaouna Hamadou 2
* Auteur correspondant
1 Cybersecurity Centre
ECS - School of Electronics and Computer Science
2 COMETE - Concurrency, Mobility and Transactions
LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau], Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR7161
Abstract : Anonymity systems are of paramount and growing importance in communication networks. They rely on users to cooperate to the realisation of an effective anonymity service. Yet, existing systems are marred by the action of 'selfish' free-loaders, so that several cooperation incentives are being proposed. We propose a game-theoretic model of incentives in anonymity networks based on parametric utility functions, which make it flexible, adaptable and realistic. We then use the framework to analyse the cost of cooperation and the performance of the gold-star incentive scheme in the Crowds protocol.
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Communication dans un congrès
Pierpaolo Degano and Joshua D. Guttman. Principles of Security and Trust - First International Conference, POST 2012, Mar 2012, Tallinn, Estonia. Springer, 7215, pp.269-289, 2012, Lecture Notes in Computer Science
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Mu Yang, Vladimiro Sassone, Sardaouna Hamadou. A Game-Theoretic Analysis of Cooperation in Anonymity Networks. Pierpaolo Degano and Joshua D. Guttman. Principles of Security and Trust - First International Conference, POST 2012, Mar 2012, Tallinn, Estonia. Springer, 7215, pp.269-289, 2012, Lecture Notes in Computer Science. 〈hal-00760445v2〉

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