WOWMOM '05 Proceedings of the Sixth IEEE International Symposium on World of Wireless Mobile and Multimedia Networks
International Journal of Electronic Security and Digital Forensics
Gossip-Based Self-Organising Agent Societies and the Impact of False Gossip
Minds and Machines
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Peer-to-Peer (P2P) Networks are becoming very popular these days. The scattered environment in P2P networks makes it different from the traditional networks. Each member in P2P network can act as a client as well as a server, which is different from its traditional counterpart such as internet, where a central server is required to control the network. Finding resources in P2P systems is a major issue. Extensive search may be needed to resolve queries in the network. In traditional P2P search algorithms such as in Gnutella protocol V0.4 search is via query flooding with significant exploration cost. In this paper, a group-structured P2P network is proposed. The group-based search provides well-organized searching technique by targeting particular group or community. We propose a new protocol for building and repairing of overlay topologies based on the formation of interest-based superpeers. An interest-based superpeer algorithm creates groups or societies that have common interests. Simulations indicate that the proposed protocol is highly capable and powerful even in the dynamic nature of P2P networks, where nodes are continually joining and leaving the network and the protocol supports restoration of the network even after the catastrophic failure of interest-based superpeers.