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The Scientific World Journal
Volume 2015, Article ID 709827, 10 pages
Research Article

Game Theory Based Trust Model for Cloud Environment

Ramanujan Computing Centre, Anna University, Sardar Patel Road, Chennai, Tamil Nadu 602001, India

Received 10 March 2015; Revised 4 July 2015; Accepted 21 July 2015

Academic Editor: Sung Won Kim

Copyright © 2015 K. Gokulnath and Rhymend Uthariaraj. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this work is to propose a method to establish trust at bootload level in cloud computing environment. This work proposes a game theoretic based approach for achieving trust at bootload level of both resources and users perception. Nash equilibrium (NE) enhances the trust evaluation of the first-time users and providers. It also restricts the service providers and the users to violate service level agreement (SLA). Significantly, the problem of cold start and whitewashing issues are addressed by the proposed method. In addition appropriate mapping of cloud user’s application to cloud service provider for segregating trust level is achieved as a part of mapping. Thus, time complexity and space complexity are handled efficiently. Experiments were carried out to compare and contrast the performance of the conventional methods and the proposed method. Several metrics like execution time, accuracy, error identification, and undecidability of the resources were considered.