NOMADIC COMPUTING ENVIRONMENT EMPLOYING WIRED AND WIRELESS NETWORKS

This paper presents an integrated network configuration of wired and w ireless access systems for nomadic computing and discusses the virtual LAN on a wireless access system. Furthermore, different types of ad h oc networks are summarized to delineate nomadic computing styles. In t erms of user mobility, the integrated network provides a seamless conn ection environment, so a user can move between wireless and wired netw orks without dropping data communication sessions. This function is cr itical for nomadic computing users. By defining the integrated network and employing a virtual LAN, a nomadic computing environment can be r ealized. This paper reviews the key issues to realize integrated netwo rks. They are mobile management including mobile IP, virtual IP and Lo gical Office, a high performance MAC, and security control.