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首页> 外文期刊>IEEE Journal on Selected Areas in Communications >Inter-Swarm Content Distribution Among Private BitTorrent Networks
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Inter-Swarm Content Distribution Among Private BitTorrent Networks

机译：专用BitTorrent网络之间的群间内容分发

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摘要

Private BitTorrent (PT) is a new trend in Peer-to-Peer file sharing system, which provides high incentives for its users to seed after download by maintaining an upload-to-download ratio in the tracker for each registered community member. From the data we collected from six active PT sites, we discover that the population of both users and contents in any single PT site is much less than the public BitTorrent, and the intersection of content sets in different PTs is quite small. Based on this observation, we propose a content sharing/distribution framework among PTs (named CrossPT), as well as its sharing mechanism. In addition, we investigate the sharing strategy of the PT participants in CrossPT using game theory and the fetch strategy by modeling the scenario to a Neighbor Selection Problem (NSP). We prove NSP to be NP-complete and propose a heuristic algorithm to solve it. The evaluations with the input of crawled data from six PT sites demonstrate the efficiency of our mechanism. The content sizes of the six PT sites can be increased by 113.95%-438.46% with CrossPT. Also, the content distribution process can be done in less than one second, excluding the delivery time of the content itself.
机译：私有BitTorrent（PT）是点对点文件共享系统中的一种新趋势，它通过在跟踪器中为每个注册社区成员维护上载与下载比率，为用户提供了下载后种子播种的强大动力。从我们从六个活动PT站点收集的数据来看，我们发现任何一个PT站点中的用户和内容的总数都远远少于公共BitTorrent，并且不同PT中的内容集的交集非常小。基于此观察，我们提出了PT之间的内容共享/分发框架（称为CrossPT）及其共享机制。此外，我们通过对情景进行邻居选择问题（NSP）建模，使用博弈论和获取策略研究了CrossPT中PT参与者的共享策略。我们证明NSP是NP完全的，并提出了启发式算法来解决它。输入来自六个PT站点的爬网数据进行的评估证明了我们机制的效率。使用CrossPT，六个PT站点的内容大小可以增加113.95％-438.46％。而且，内容分发过程可以在不到一秒钟的时间内完成，而内容本身的交付时间除外。

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