| P2P网络下一种基于DHT的视频点播方案 |
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| 引用本文： | JIANG Qing,ZHONG Shang-ping,L Jian-ming.P2P网络下一种基于DHT的视频点播方案[J].微机发展,2008(7):229-232. |
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| 作者姓名： | JIANG Qing ZHONG Shang-ping L Jian-ming |
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| 作者单位： | 福州大学数学与计算科学学院 福建福州350001(江庆，钟尚平)，中科院计算技术研究所 北京100080(吕建明) |
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| 摘 要： | 在基于P2P的视频点播系统中，节点邻居选择策略对服务质量有很大的影响。提出一种基于DHT（Distributed Hash Table）的P2P覆盖网络下视频点播（Video-on—demand）的解决方案。通过网络坐标系统的拓扑发现能力，充分结合DHT网络高速搜索和VoD视频点播的特性、构造一种具有高效邻居选择能力、高用户自由度、高可靠性、扩展性的体系架构。针对架构设计中资源发布份发、资源的搜索、视频点播的实现等关键问题提出了解决方案，分析了系统的特性。
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| 关 键 词： | 点对点网络 视频点播 分布式哈希表 |
A P2P Video-on-Demand Scheme Based on DHT |
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| Affiliation: | JIANG Qing, ZHONG Shang-ping, LU Jian-ming (1. College of Mathematics and computer Science, Fuzhou University, Fuzhou 350001, China; 2. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China) |
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| Abstract: | The neighbor-selection strategy in P2P VoD system is an important factor for its QoS.In this paper,a VoD(Video-on-demand) scheme based on DHT(Distributed Hash Table) under P2P overlay network is proposed.Via exploiting the topology discovery ability of distributed network coordinate system and integrating the fast-searching property of DHT with the trait of VoD system,a user-free framework with high robustness and scalability has been designed.Aims at the key issues of the user-free framework,has given the solutions for users to publish and demand video resources. |
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| Keywords: | P2P video on demand DHT |
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