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Service-Oriented Trust and Reputation Architecture

As the Future Internet arrives, more complex, service-based applications are spreading. These applications pose several challenges, including the huge amount of entities that must interact and their heterogeneity. The success of these applications depends on the collaboration and communication of these entities, that might belong to different organizations and administrative domains. Therefore, trust and reputation become two crucial issues. We propose the specification and design of a service-based security architecture that stresses the delivery of trust and reputation services to any application that might require them.