• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊

J4 ›› 2010, Vol. 32 ›› Issue (9): 5-8.doi: 10.3969/j.issn.1007130X.2010.

• 论文 • 上一篇    下一篇

基于用户相关度的P2P内容发布网络模型研究

周屹1,2,邢传军2,詹晓娟2   

  1. (1.北京邮电大学计算机学院,北京 100867;2.黑龙江工程学院计算机科学与技术系,黑龙江 哈尔滨 150050)
  • 收稿日期:2010-03-12 修回日期:2010-06-15 出版日期:2010-09-02 发布日期:2010-09-02
  • 通讯作者: 周屹
  • 作者简介:周屹(1971),女,吉林长春人,教授,研究方向为软件工程和系统分析;邢传军,硕士生,讲师,研究方向为计算机应用;詹晓娟,硕士生,讲师,研究方向为软件工程。
  • 基金资助:

    国家自然科学基金资助项目(60872051)

Research of the Network Model Based on User Correlation in P2P Content Distribution Networks

ZHOU Yi1,2,XING Chuanjun2,ZHAN Xiaojuan2   

  1. (1.School of Computer Science,Beijing University of Post and Telecommunications,Beijing 100867;
    2.Department of Computer Science and Technology,Heilongjiang Institute,Harbin 150050,China)
  • Received:2010-03-12 Revised:2010-06-15 Online:2010-09-02 Published:2010-09-02

摘要:

CDNONP2P网络中P2P节点的兴趣表现在其对内容资源的需求上,本文分析了基于兴趣划分的P2P内容发布网络的基本结构,研究了基于兴趣划分的子网上内容分发算法的基本形式,并研究给出了一种根据用户节点网络状态选择成为伪CDN节点的算法,在该算法中引入兴趣权的概念,用于表达节点之间资源的相似性。该算法根据设定条件选择用户节点作为内容发布节点,可以在一定程度上减少网络中代理服务器的数量,提高网络的可靠性,降低网络流量。

关键词: 内容发布网络, 对等网络, 兴趣权, 代理服务器, 流量控制

Abstract:

The interest of peer in CDNonP2P shows the requirement of resources. This paper analyses the structure of CDNonP2P based on interest subnet grouping,and studies the  basic type of content delivery algorithms for subnet grouping. An algorithm that selects a user peer as the CDN peer according to its status is proposed. Interestweight is used to show the correlation of the user peer resources. In this algorithm,a user peer is selected as the  CDN peer based on setting conditions.The experimental results show that the algorithm decreases the mount of CDN peers,improves the reliability of CDN,and reduces the network traffic.

Key words: content distribution network;peerpeer network;interestweight, proxy server;traffic control