Abstract
In recent years, existing computing schemes and paradigms have evolved towards more flexible, ad-hoc scalable frameworks. Nowadays, exchanging interactions between entities often takes place in non-structured environments where the number and nature of the different participants are unknown variables. In this context, traditional fair exchange protocols cease to be a feasible solution to the exchanging problem, as they are not sufficiently adaptable to offer the same guarantees in such new scenarios. Rational exchange protocols represent a real alternative to fair exchange exchange. In this paper, we propose the first multi-party rational exchange protocol, giving solution to the exchange problem in a context where the number of entities could vary in each different instance of the protocol and where rational (self-interested) parties, exchange their items without the involvement of a trusted third party (TTP). We also formally analyze our new scheme by applying some Game Theory concepts. Besides the simplicity of our model and a restrictive set of initial assumptions, several real life scenarios can be resolved with the proposed scheme.
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© 2007 Springer-Verlag Berlin Heidelberg
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Alcaide, A., Estevez-Tapiador, J.M., Hernandez-Castro, J.C., Ribagorda, A. (2007). A Multi-party Rational Exchange Protocol. In: Meersman, R., Tari, Z., Herrero, P. (eds) On the Move to Meaningful Internet Systems 2007: OTM 2007 Workshops. OTM 2007. Lecture Notes in Computer Science, vol 4805. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76888-3_21
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DOI: https://doi.org/10.1007/978-3-540-76888-3_21
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-76887-6
Online ISBN: 978-3-540-76888-3
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