Trust management in collaborative agent-based systems

A major challenge in deploying collaborative agent-based distributed systems in open environments is how to deal with trust and security issues. Traditional security strategics that use system-based control to verify the identity of individual agent are inadequate for the increased flexibility. In this paper, we examine current security approaches for managing trust and propose a new model for trust and trust management for collaborative agent-based systems. We present an approach using a trust facilitator, which can provide trust values of interacting agents to help request agents make trust-related decisions.