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实时流媒体P2P可收敛反馈网络结盟算法

沈孟如 张晋豫

沈孟如, 张晋豫. 实时流媒体P2P可收敛反馈网络结盟算法[J]. 北京航空航天大学学报, 2016, 42(4): 728-736. doi: 10.13700/j.bh.1001-5965.2015.0300
引用本文: 沈孟如, 张晋豫. 实时流媒体P2P可收敛反馈网络结盟算法[J]. 北京航空航天大学学报, 2016, 42(4): 728-736. doi: 10.13700/j.bh.1001-5965.2015.0300
SHEN Mengru, ZHANG Jinyu. Alliance algorithm of converging feedback network on P2P real-time media streaming[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(4): 728-736. doi: 10.13700/j.bh.1001-5965.2015.0300(in Chinese)
Citation: SHEN Mengru, ZHANG Jinyu. Alliance algorithm of converging feedback network on P2P real-time media streaming[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(4): 728-736. doi: 10.13700/j.bh.1001-5965.2015.0300(in Chinese)

实时流媒体P2P可收敛反馈网络结盟算法

doi: 10.13700/j.bh.1001-5965.2015.0300
基金项目: 国家自然科学基金(61071077);中央高校基本科研业务费专项资金(2015JBM055)
详细信息
    作者简介:

    沈孟如 女,博士,讲师。主要研究方向:电子商务与信息管理。 Tel.: 010-51684680 E-mail: mrshen@bjtu.edu.cn;张晋豫 男,博士,副教授。主要研究方向:计算机网络。 Tel.: 010-51688223 E-mail: zjy@bjtu.edu.cn

    通讯作者:

    张晋豫, Tel.: 010-51688223 E-mail: zjy@bjtu.edu.cn

  • 中图分类号: TP913

Alliance algorithm of converging feedback network on P2P real-time media streaming

Funds: National Natural Science Foundation of China (61071077);the Fundamental Research Funds for the Central Universities (2015JBM055)
  • 摘要: 客户端贡献的不公平性严重影响系统的服务质量和提供服务的能力,本文提出了一个基于距离汇聚的结盟算法,在动态业务量环境中通过实现可收敛反馈网络,有效消除了随机结盟、内容相似驱动结盟和带宽相似驱动结盟中存在的业务量不合理问题。实现了基于公网IP的静态距离算法和基于探测包的距离动态测量法的混合节点间距离评估机制,较好地解决了探测包测距受业务量波动影响较大、客户端感知测距实时性较差以及IP包测距误差较大的问题。引入了一个具有位置意识的基于Polling的均匀流周期请求协同机制,在保持推—拉周期请求机制开销小优点的同时,提高对抗Serving Peer传输劣化和失败的弹性。仿真结果表明:该机制可以减少业务量不合理和用户不贡献恶意行为的概率,当节点较多时,其能够提供比其他结盟算法更好的时延、丢包率和到达率性能。

     

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出版历程
  • 收稿日期:  2015-05-12
  • 修回日期:  2015-08-29
  • 刊出日期:  2016-04-20

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