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Journal of Software:2014.25(1):98-117

基于用户需求的内容分发点对点网络系统研究
张玉洁,何明,孟祥武
(智能通信软件与多媒体北京市重点实验室(北京邮电大学), 北京 100876;北京邮电大学 计算机学院, 北京 100876)
Research on CDN-P2P System over User Requirements
ZHANG Yu-Jie,HE Ming,MENG Xiang-Wu
(Beijing Key Laboratory of Intelligent Telecommunications Software and Multimedia (Beijing University of Posts and Telecommunications), Beijing 100876, China;School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China)
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Received:September 28, 2012    Revised:June 26, 2013
> 中文摘要: 点对点内容分发网络技术已成为近年来研究热点领域之一.为用户推荐有价值的资源,提高用户资源定位的准确率和分发效率,是CDN-P2P技术面临的巨大挑战.从用户需求的角度出发,综述了近年来CDN-P2P领域的研究状况:讨论了用户需求并介绍了需求获取方法;对基于用户需求的CDN-P2P系统模型、节点特征及用户相似性、用户之间的相互关系、节点安全性和搜索机制等进行了对比讨论和概括总结;对基于用户需求CDN-P2P领域存在的难点和热点问题作了深入的剖析;最后给出了基于用户需求的CDN-P2P系统的发展趋势及其展望.
Abstract:CDN-P2P technology has recently become one of the hottest research fields. Recommending the valuable resources and improving accuracy of resource location and efficiency of content distribution for users, are CDN-P2P's challenges. This paper presents an overview of the field of CDN-P2P research in recent years from user requirements' perspective. It discusses user requirements and introduces ways of requirements acquirement. Based on CDN-P2P system over user requirements, this paper provides a comprehensive discussion on node characteristics and user similarity, relationships between nodes, nodes security and search mechanism. The difficult and hot issues about CDN-P2P system over user requirements are analyzed in depth. The future development trend and prospects for CDN-P2P system over user requirements are also discussed.
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基金项目:国家自然科学基金(60872051,61001118);北京市教育委员会共建项目专项资助 国家自然科学基金(60872051,61001118);北京市教育委员会共建项目专项资助
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张玉洁,何明,孟祥武.基于用户需求的内容分发点对点网络系统研究.软件学报,2014,25(1):98-117

ZHANG Yu-Jie,HE Ming,MENG Xiang-Wu.Research on CDN-P2P System over User Requirements.Journal of Software,2014,25(1):98-117