An agent-based distributed service model for nomadic users

Nomadic information access provides considerable and hence desirable convenience for mobile users, but it comes with new challenges introduced by wireless communication, user mobility and limited resources in portable devices. The traditional approaches to client-server architectures have to be reevaluated in mobile wireless environments. This paper presents an innovative agent-based distributed service model which focuses on providing a generalized infrastructure to enable efficient nomadic service access. The model supports asynchronous service lookup, dynamic service invocation and flexible adaptation to environments, thus improves the service availability and service quality as well as reduces network bandwidth consumption. Furthermore, mobility specific location dependent services are integrated in this model.