| GPSA：一种在异构环境下贪婪式基于拉式调度方法的P2P视频直播 |
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| 基金项目： | supported by National Key Basic Research Program of China(973 Program)(2009CB320504); the Foundation for Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 60821001); Beijing Municipal Commission of Education to build the project special,Research Fund for the Doctoral Program of Higher Education of China (20090005120012); National Natural Science Foundation (60672121) |
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| 关 键 词： | 宽带 数字内容 |
| 收稿时间： | 2011-06-28; |
GPSA:A Greedy Pull-based Scheduling Approach for P2P Live Streaming under Heterogeneous Environments |
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| Chen Wei,Su Sen,Yang Fangchun,Shuang Kai State Key Laboratory of Networking , Switching Technology,Beijing University of Posts , Telecommunications,Beijing ,China. GPSA:A Greedy Pull-based Scheduling Approach for P2P Live Streaming under Heterogeneous Environments[J]. China Communications, 2010, 7(2): 42-52 |
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| Authors: | Chen Wei Su Sen Yang Fangchun Shuang Kai State Key Laboratory of Networking Switching Technology Beijing University of Posts Telecommunications Beijing China |
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| Affiliation: | Chen Wei,Su Sen,Yang Fangchun,Shuang Kai State Key Laboratory of Networking , Switching Technology,Beijing University of Posts , Telecommunications,Beijing 100876,China |
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| Abstract: | Pull-based P2P live streaming is a promising solution for the large scale streaming systems, like PPStream, PPlive, due to its high scalability, low cost and high resilience. However, they usually suffer from bad delay performance. In this paper, we seek to improve the delay performance under ensuring video display quality stemming from chunk scheduling. And so we model Pull-based chunk scheduling problem as a multi-objective optimization problem to minimize the video delay and maximize video display qualit... |
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| Keywords: | P2P live streaming pull-based scheduling heterogeneous environments delay performance |
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