Mobile peer-to-peer (P2P) traffic is rapidly growing, but present P2P applications are not specifically designed to operate under mobile conditions. To assess the performance of the prevalent file sharing application BitTorrent in a mobile WiMAX network, we performed a measurement and analysis campaign. In this study, we use the obtained measurement traces to further investigate specific characteristics of this P2P network. In particular, we analyze the distribution of its peer population under mobile conditions and present a general classification scheme for peer populations in BitTorrent-like P2P networks. Further, we propose a simple heuristic to bound the outdegree of BitTorrent-like P2P systems when operating in mobile environments.
This paper deals with the phenomenon of peer production in the context of unauthorized copying of information goods. Acc. to Yochai Benkler, it is a form of production operation based on a community. It is widely applied in the Internet and consequently, such information goods as GNU/Linux and Wikipedia have been established. Although the peer production has promoted growth in importance of, among others, free software or an open source initiative, it is also related to unauthorized copying of an intellectual property commonly called Internet piracy. The huge scale of this phenomenon, which is nearly 24% of entire Internet traffic, must not be ignored. In the paper a hypothesis has been put forward that low efficiency of counteracting of intellectual property unauthorized copying results from that fact that, to a great extent, it is generated in a process of the peer production. In turn, the goal of the paper is verification of the thesis in the progress of considerations regarding the nature of both the peer production and the unauthorized copying. A research field was limited to a P2P file exchange network based on a BitTorrent protocol.
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