National Dong Hwa University
In the recent years, Peer-To-Peer (P2P) sharing network has become very popular in the Internet. However, most P2P protocols are designed for traditional wired networks. When deployed in wireless network environment, many challenges are encountered. For instance, the nodes in an unstable wireless network tend to leave or rejoin the P2P network easily. In this case, the routing information in every node must become overdue, which may lead to lookup failures when the nodes retrieve these overdue routing information. In this paper, the authors propose a modified Chord protocol called MobileRobust-Chord (MR-Chord). MRChord is designed with the aim of keeping the Finger Table fresh.