Trust Evaluation Model with Stakeholder-Centric in Grids

摘要

Based on the virtual organization (VO) model with stakeholder-centric, this paper proposed a trust evaluation model with stakeholder-centric. The aim of the model is to establish the trust relationship between nodes in grid computing and to present the reliability of other nodes. It is more efficient to discover requested services using the model in this paper. In the trust evaluation model with stakeholder centric (TEMSC), the stakeholder invites nodes with high reputation values to a VO to execute a task. Nodes invited decide whether to provide services for the stakeholder. When the task is fulfilled, the stakeholder updates the VO's nodes' reputation value according to its contribution. Meanwhile, the stakeholder distributes a node's reputation value changed a lot to other nodes in the VO to be recommendation reputation. The experiment results showed that, as transaction times increased, TEMSC discovers malicious nodes more efficiently.