A Trust and Reputation Model of Grid Resources for Cooperating Application

For supporting grid application to be executed availably in grid resources, the scheduler should allocate the most suited resources to the application. To address such problem, we need evaluate the grid resources in trust, reputation and performance etc. In this paper, a trust and reputation model for protecting the benefit of grid user is introduced. The trust and reputation is dynamically judged based on their history behavior and actuality of results that resources execute applications. The mathematics description of the trust and reputation model is presented, the evaluation method of the resource trust model is also described, and then, an example scenario is given to check this model.