Trust architecture for personal distributed environment

With an increasing number of wireless devices and access technologies available, users will be able to access their Personal Distributed Environment of services and data conveniently, in a wide variety of ways. Unfortunately. this flexibility Comes at a cost - higher security risks and vulnerabilities. The traditional association with a network provider may not exist, replaced by a far more nebulous association with a number of unknown entities, network nodes and service providers. These ad hoe relationships require a notion of trust, which presents great difficulties in a dynamic wireless environment. This paper presents a format trust architecture to address these issues, with the focus on aspects of trust policy formation and its evolution