基于临近结点聚类构建层次化 BitTorrent文件共享系统

薛广涛; 俞嘉地; 尤晋元

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基于临近结点聚类构建层次化 BitTorrent文件共享系统

论文 | 更新时间：2025-07-16

- 基于临近结点聚类构建层次化 BitTorrent文件共享系统
- Building Hierarchical BitTorrent-like Peer-to-Peer File Sharing Systems Based on Proximity-Aware Peer Clustering
- 电子学报 2008年36卷第2期页码：291-297
- 作者机构：
  
  上海交通大学计算机科学与工程系,上海,200030
- 作者简介：
- 基金信息：
  
  国家自然科学基金 (No.60673166,No.60433040)
- DOI：
  中图分类号： TP393
- 纸质出版：2008
- 稿件说明：
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薛广涛, 俞嘉地, 尤晋元. 基于临近结点聚类构建层次化 BitTorrent文件共享系统[J]. 电子学报, 2008,36(2):291-297.

XUE Guang-tao, YU Jia-di, YOU Jin-yuan. Building Hierarchical BitTorrent-like Peer-to-Peer File Sharing Systems Based on Proximity-Aware Peer Clustering[J]. Acta Electronica Sinica, 2008, 36(2): 291-297.
薛广涛, 俞嘉地, 尤晋元. 基于临近结点聚类构建层次化 BitTorrent文件共享系统[J]. 电子学报, 2008,36(2):291-297. DOI：

XUE Guang-tao, YU Jia-di, YOU Jin-yuan. Building Hierarchical BitTorrent-like Peer-to-Peer File Sharing Systems Based on Proximity-Aware Peer Clustering[J]. Acta Electronica Sinica, 2008, 36(2): 291-297. DOI：

摘要

为了提高BitTorrent对等网络系统的文件共享性能

本文提出基于临近结点聚类方法

将临近的结点聚合成结点簇

同一结点簇中结点优先建立共享连接

构建了层次化BitTorrent文件共享机制.通过基于马尔可夫链的流体数学模型分析该系统性能

证明了层次化结构的BitTorrent系统比原BitTorrent系统具有更好的文件共享性能.模拟实验证实了理论分析结果

并显示该系统有效地降低了中央服务器Tracker的负载

提高了系统可扩展性和稳定性.

Abstract

In this paper

a hierarchical BitTorrent-like file sharing system is proposed to improve the performance of file sharing.Peers in such system are grouped into clusters according to their proximity in the underlying overlay network.A fluid model is developed to compare the proposed hierarchical BitTorrent-like system with the original BitTorrent system.With this model

we find that the hierarchical BitTorrent-like system improves the performance of file sharing quite effectively.Finally

the simulation results further prove that the hierarchical BitTorrent-like system achieves better scalability and efficiency while retaining the robustness and incentives of the original BitTorrent paradigm.

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