2010 | OriginalPaper | Buchkapitel
A Novel Trust Management Scheme Using Fuzzy Logic for a Pervasive Environment
verfasst von : V. Rhymend Uthariaraj, J. Valarmathi, G. Arjun Kumar, Praveen Subramanian, R. Karthick
Erschienen in: Recent Trends in Networks and Communications
Verlag: Springer Berlin Heidelberg
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One of the most critical issues in distributed system is security. The ideal solution to this concern is to have an environment that is fully trusted by all its entities. Our proposed approach is truly unique and fully comprehensive incorporating fuzzy logic for subjective concepts and integrating various trust related characteristics. The trust values(TV) calculated between the entities are stored in a global data store. This TV can be used as a basis for future transactions of the entity concerned. Since the global data store contains the trust value of all the users of the environment, these trust values are more accurate than that which has been calculated through recommendations. This also obviates the necessity for entities to know each other beforehand, which is a prerequisite in the case of recommendations. Also the security issues related with the global trust scheme is analyzed and an efficient solution to it using fuzzy logic has been proposed.