| 基于图状模型的多源P2P点播架构设计和实现 |
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| 引用本文： | 雷凯,陈昴,刘振宇.基于图状模型的多源P2P点播架构设计和实现[J].计算机工程与设计,2008,29(14). |
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| 作者姓名： | 雷凯 陈昴 刘振宇 |
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| 作者单位： | 北京大学深圳研究生院,广东深圳,518055 |
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| 基金项目： | 深圳市科技计划基金项目
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深圳市南山区科技计划基金项目 |
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| 摘 要： | 针对互联网视频点播服务(VoD)集中数据源的负载大、扩展性差,成为性能和容量瓶紧等问题1],通过动态规划节点之间通讯提高系统整体吞吐率、设计支持多数据源调度的Tracker的服务器,以及相关的预处理缓存策略,实现了一个基于分时偏移图状结构的可适应多数据来源的P2P视频点播系统架构.
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| 关 键 词： | 对等网络 视频点播 图状模型 多播放源 吞吐量 |
Implementation and design of multi-source P2P VoD architecture based on graphic model |
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| LEI Kai,CHEN Mao,LIU Zhen-yu.Implementation and design of multi-source P2P VoD architecture based on graphic model[J].Computer Engineering and Design,2008,29(14). |
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| Authors: | LEI Kai CHEN Mao LIU Zhen-yu |
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| Affiliation: | LEI Kai,CHEN Mao,LIU Zhen-yu(Shenzhen Graduate School,Peking University,Shenzhen 518055,China) |
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| Abstract: | Central broadcast Internet video on demand(VoD) systems generally face problems of heavy server loads,and that often become performance bottleneck resulting in poor extendibility1].By dynamically organizing internodes communication to improve overall throughput,designing the specific tracker servers to support multi-source broadcasting and related prefetch cache strategies,a P2P VoD architecture is introduced and implemented which supports multiple broadcasting sources based on time-slice graphic structure... |
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| Keywords: | P2P VoD graphic model multi-source broadcast throughput |
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