P2P File Sharing in Wireless Mesh Networks
In wireless mesh networks, the connective time would be relatively short in multi-hop nodes because of the mobility of peer nodes and the wireless collision. Therefore, it is important that how peers choose reasonable schemes to gain more benefits and imp
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School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, China 2 College of Zhongshan Torch Profession, Zhongshan, 528437, China
Abstract. In wireless mesh networks, the connective time would be relatively short in multi-hop nodes because of the mobility of peer nodes and the wireless collision. Therefore, it is important that how peers choose reasonable schemes to gain more benefits and improve the networks performance when they implement the peer-to-peer file sharing in limited environment. On the basis of the researches of peer-to-peer file sharing and the inherent characteristic of wireless mesh networks, a novel venture investment based file sharing model is proposed. The model provides a mechanism to maximize investment benefit and minimize investment venture, and makes optimization investment schemes through a benefit evaluation method. The simulation results show that the venture investment model can assist networks nodes to invest file sharing effectively and improve the performance of networks.
1 Introduction The WMNs (Wireless Mesh Networks) is deployed with the end-to-end pattern, and it can be treated as a small wireless Internet according to its networks topology. In the Internet, the P2P (Peer-to-Peer) technique makes use of net-works resources, including computing resources, bandwidth resources, content resources and so on, to decrease the re-source requirements of the networks servers and bring a great deal of benefits in the same time. Recently, the computing and processing capability, storage capacity and the communication capability of mobile terminals are increased continuously. As the wide using of these equipments, it is possible to implement P2P File Sharing in WMNs. In WMNs, the connective time of peers would be relative short because of the mobility of peer nodes and the wire-less collision. Therefore, it is important that how peers choose reasonable schemes to gain more benefits and to improve the networks performance when they implement the P2P file sharing in limited environment. The P2P file sharing model which is designed according to the characteristic of Internet can’t apply to WMNs and how to implement the P2P file sharing in WMNs is still not be solved perfectly. In this paper, we review some researches and applications related to the P2P file sharing technology at first. Then, according to the characteristics of the WMNs, we *
This research was supported by the National Natural Science Foundation of China (No. 60673142).
M. Xu et al. (Eds.): APPT 2007, LNCS 4847, pp. 402–413, 2007. © Springer-Verlag Berlin Heidelberg 2007
P2P File Sharing in Wireless Mesh Networks
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propose a venture investment based P2P file sharing model and simulate the model to prove its validity. Finally, we analyze the simulation results and draw a conclusion.
2 Related Works You In the Internet, the primary protocols and models of P2P file sharing are Napster, BitTorrent, Gnutella, FastTrack, Chord, Freenet and so on. Napster [1] is a
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