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《Computer Engineering》 2008-03
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Torrent File Optimization Strategy Based on Merkle Tree in Bittorrent System

LIANG Cheng-ren, LI Jian-yong, HUANG Dao-ying, LI Jian-chun, GAO Xian-cen (Institute of Computer and Communication Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002)  
Bittorrent is the P2P system which works on central index server. The peer must get an expansion named torrent index file from the central index server before downloading. The index server becomes the bottleneck of the system. A torrent file optimization strategy based on Merkle tree is proposed, which makes the torrent file size smaller than before and lightens the overhead of the index server, improves the scalability of BT.
【Fund】: 河南省杰出青年科学基金资助项目(0612000600);; 河南省科技攻关基金资助项目(524220039)
【CateGory Index】: TP393.093
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