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AP2PC 2008
Seventh International Workshop on Agents and Peer-to-Peer Computing
Estoril, Portugal, 13/05/2008
Peer-to-peer (P2P) computing has been attracting significant attention from both academia and industry researchers. Many studies show that P2P traffic constitutes the largest part of the total Internet traffic, most of which is generated by file distribution (e.g., BitTorrent) and video streaming (e.g., Sopcast, PPLive) P2P applications. This attention is now being transferred to standardization bodies as well, as IETF’s Application Layer Traffic Optimization Working Group demonstrates. Decentralization and self-organization are the key principles of the P2P computing. The entire system operation is highly influenced by choices and decisions of individual peers. Yet, the entire system must operate in a state that is socially desirable, even though there is no central coordination. The success of P2P systems strongly depends on a number of factors. The ability to limit and control “free riding.” P2P systems become efficient and useful only if every