Reputation-based Service Selection in a Peer-to-Peer Mobile Environment

Mobile computing environments may be very critical for traditional QoS management techniques often relying on centralized resource coordinating services, due to the unavoidable high unstability of network and service layers. On the other hand, a peer-to-peer approach for continuous service provisioning to mobile users may maintain locally an updated list of service providers, and allow clients to switch sources depending on the experienced service quality. In this paper we present a QoS-aware reputation management system for service-oriented P2P networks which aims at improving the quality of service provider selection within purely decentralized mobile environments. The selection process is based on the evaluations provided by other service consumers in terms of a set of application specific QoS parameters.