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基于图状模型的多源P2P点播架构设计和实现

Implementation and design of multi-source P2P VoD architecture based on graphic model
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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。 Central broadcast Internet video on demand （VoD） systems generally face problems of heavy server loads, and that often become performance bottleneck resulting in poor extendibility. By dynamically organizing intemodes 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.
作者 雷凯 陈昴 刘振宇
机构地区 北京大学深圳研究生院
出处 《计算机工程与设计》 CSCD 北大核心 2008年第14期3558-3561,3595,共5页 Computer Engineering and Design
基金 深圳市科技计划基金项目(QK200605) 深圳市南山区科技计划基金项目(K2006084)
关键词 对等网络 视频点播 图状模型 多播放源 吞吐量 P2P VoD graphic model multi-sourcebroadcast throughput
分类号 TP393.02 [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13

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共引文献28

计算机工程与设计
2008年 第14期

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