| IP组播在BitTorrent中的应用研究 |
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| 引用本文： | 龙柏炜,阙喜戎,王文东,龚向阳.IP组播在BitTorrent中的应用研究[J].计算机工程,2010,36(3):118-121. |
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| 作者姓名： | 龙柏炜 阙喜戎 王文东 龚向阳 |
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| 作者单位： | 北京邮电大学网络与交换技术国家重点实验室,北京,100876 |
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| 基金项目： | 国家自然科学基金资助项目(60472067);;国家“863”计划基金资助项目(2007AA01Z206) |
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| 摘 要： | 针对BitTorrent(BT)应用会占用大量网络带宽的问题，通过改进BT协议，提出一种应用IP层组播技术优化传输的MBitTorrent(MBT)协议。该协议引入基于区域和优先级的Peer阻塞策略，适用于组播域分离的网络环境。仿真结果表明，与BT协议相比，MBT显著降低了网络流量，提升了整体下载性能。
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| 关 键 词： | BitTorrent协议 IP组播 MBitTorrent协议 网络流量 P2P技术 |
| 修稿时间： | |
Research on IP Multicast Application in BitTorrent |
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| LONG Bo-wei,QUE Xi-rong,WANG Wen-dong,GONG Xiang-yang.Research on IP Multicast Application in BitTorrent[J].Computer Engineering,2010,36(3):118-121. |
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| Authors: | LONG Bo-wei QUE Xi-rong WANG Wen-dong GONG Xiang-yang |
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| Affiliation: | (State Key Laboratory of Networking & Switching, Beijing University of Posts & Telecommunications, Beijing 100876) |
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| Abstract: | Aiming at the problem that BitTorrent(BT) protocol application occupies large amount of bandwidth in Internet, by improving BitTorrent, this paper proposes a protocol named MBitTorrent(MBT) which optimizes the transport mechanism with IP multicast technology. MBitTorrent introduces a Peer blocking strategy based on domain and priority, and it is suitable for being used in separate multicast domain environment. Simulation result shows that in contrary to BitTorrent, MBitTorrent obviously reduces the network traffic and improves the overall downloading performance. |
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| Keywords: | BitTorrent(BT) protocol IP multicast MBitTorrent(MBT) protocol network traffic P2P |
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