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累计分层P2P流媒体数据分配算法

Cumulative layered peer-to-peer streaming packet assignment algorithm
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摘要 提出接收者驱动的面向启动时间的数据包分配算法(cumulative layered streaming packet assignment algo-rithm,CLSPA),该算法使媒体服务质量指标中的服务启动时间(媒体数据块开始传输与在接收点连续播放该数据块之间的缓冲延迟)得到优化,同时保证动态环境流媒体的播放质量。仿真实验表明,CLSPA与其他算法相比,在服务启动时间和服务质量方面能获得更佳的分配结果。 This paper proposed CLSPA for multi-source layered P2P streaming system.Using packet-granularity based CLSPA,could optimize the playout buffering delay,time between the start of media data packet transmission and the start of playback at the peer,while guaranteeing the stream delivery quality to the single peer in dynamic bandwidth environment.The experimental results in simulation demonstrate that using CLSPA can achieve better assignment in terms of service bootstrap time and smooth delivery quality in dynamic environment.
作者 胡铮 谷兰芝 李亦农
机构地区 北京邮电大学电信工程学院
出处 《计算机应用研究》 CSCD 北大核心 2008年第6期1657-1659,共3页 Application Research of Computers
基金 国家"863"计划资助项目(2004AA119030) 北京市科委资助项目(D0106012000091)
关键词 对等网络 分层流媒体 数据分配 P2P layered streaming packet assignment
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献8

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二级参考文献11

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共引文献15

计算机应用研究
2008年 第6期

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