Trust Shaping: Adapting Trust Establishment and Management to Application Requirements in a Service-Oriented Grid Environment
In this paper, an approach for establishing and managing trust among the interaction partners (i.e. users, nodes and/or services) in a service-oriented Grid environment is presented. The approach is based on a flexible trust model and system architecture for collecting and managing multidimensional trust values. Both identity and behaviour trust of the interaction partners are considered, and different sources are used to determine the overall trust value of an interaction partner. A proposal for establishing the first trust between interaction partners is made, and the possibility to continuously monitor the partners’ behaviour trust during an interaction is provided. The proposed trust architecture can be configured to the domain specific trust requirements by the use of several separate trust profiles covering the entire lifecycle of trust establishment and management.
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