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An Architecture Concept for Mobile P2P File Sharing Services
, 2004
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ECHoP2P: Emergency Call Handling over Peer-to-Peer Overlays
"... The impact of the peer-to-peer paradigm increases both in research and in industry. Still, serious applications for P2P-based systems are rare. On the other hand, Emergency Call Handling (ECH) is (or will be) a mandatory function for VoIP services. In this paper we investigate interna-tional legal a ..."
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The impact of the peer-to-peer paradigm increases both in research and in industry. Still, serious applications for P2P-based systems are rare. On the other hand, Emergency Call Handling (ECH) is (or will be) a mandatory function for VoIP services. In this paper we investigate interna-tional legal and technical requirements of ECH and present ECHoP2P, a solution that fulfills these requirements. Based on Globase.KOM and HiPNOS.KOM, ECHoP2P provides the functionality to determine the closest and (geographi-cally) responsible Emergency Station to a calling peer. Fur-ther, Emergency Calls are processed with highest priority in the overlay, so that quality of service guarantees are given. We evaluated ECHoP2P thoroughly and present the qual-ity and costs analysis, identified tradeoffs and effects of op-timization parameters. ECHoP2P provides a fully evalu-ated solution for Emergency Call Handling and for further location-aware applications. 1
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"... Abstract: The great success of P2P (peer-to-peer) system based on Internet makes researchers focus on the mobile network environment, which is more distributed, with wider participants and more autonomic than the fixed P2P system. The popularity of intelligent terminals and the maturity of mobile a ..."
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Abstract: The great success of P2P (peer-to-peer) system based on Internet makes researchers focus on the mobile network environment, which is more distributed, with wider participants and more autonomic than the fixed P2P system. The popularity of intelligent terminals and the maturity of mobile application environment bring a bright prospect for mobile P2P networks. But the current research on the mobile P2P network is short of an accurate definition and a great number of questions are still needed to be studied deeply. In this paper, the basic concept of mobile P2P network is introduced firstly, including the definition and characteristics of mobile P2P network, the differences between mobile P2P network and mobile Ad Hoc network and the key techniques of the former. Then a comprehensive survey of the key techniques of mobile P2P networks, such as mobile P2P network architecture, resource discovery strategy, network structure consistency, data dissemination strategy, security and privacy mechanism, is given. The research results of the key techniques are also analyzed in depth, furthermore, the shortcomings and problems are outlined. In the end, the future research and development trend of mobile P2P networks is discussed. Key words: mobile peer-to-peer network; network architecture; resource discovery; structure consistency; data
