一种可控P2P文件下载算法

doi:10.3969/j.issn.1000-0801.2010.09.029

Abstract

Abstract:

Bandwidth devouring has become a significant problem with P2P file downloading applications represented by BitTorrent（BT）.Implementing controllable P2P transfer is a key for sustainable deployment of this type of service.This paper proposes a novel controllable P2P file downloading algorithm based on requirements of new Telecom service platform—Media Telecom Network（MTN）.This algorithm adoptes centralized directory servers to effectively decrease traffic load of backbone networks.Meanwhile,taking advantage of distributed P2P transfer,the algorithm combines idle terminals and compensation servers to improve downloading rate,which is not worse than BT.Finally,large-scale simulations at packet level based on PDNS prove the effectiveness of the proposed algorithm and show its improvement in terms of overall performance upon BT.

Key words: Key words controllable P2P network, P2P file downloading, BitTorrent, peer

Tao Pang,Hai Huang,Bin Long,Juan Wu. [J]. Telecommunications Science, 2010, 26(9): 111-117.

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