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Research on Trust Evaluation Model of Grid Services

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2 Author(s)
Xiaohua Dong ; Chongqing Univ., Chongqing ; Zhongfu Wu

In an open grid of services architecture, to reflect service reliability is a major security problem. In this paper a trust evaluation model based on compensation is presented to enhance the reliability and credibility of grid services by evaluating the servicespsila trust value dynamically. For evaluating servicespsila trust, the trust model combines consumerspsila commendatory trust, services access frequency, servicepsilas own assigned trust and the decrease of the trust. Both theoretical analysis and emulation experiments show that the model can make the service providers and service demanders voluntarily discard the intention of cheating and other malicious behaviors, and then promote the creditability of services, simplify the calculating process and reduce the cost of communication. It is a creative solution for identifying reliability of grid services.

Published in:

Networking, Architecture, and Storage, 2008. NAS '08. International Conference on

Date of Conference:

12-14 June 2008