Telecommunications Science ›› 2012, Vol. 28 ›› Issue (12): 135-141.doi: 10.3969/j.issn.1000-0801.2012.12.021

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A QoS Evaluation Model for P2P File-Sharing Applications

Jiyi Wu1,2,3,Qifei Zhang1,Tong Wang4,Deren Chen1,Jianlin Zhang2   

  1. 1 School of Computer Science and Technology,Zhejiang University,Hangzhou 310027,China
    2 Key Lab of E-Business and Information Security,Hangzhou Normal University,Hangzhou 310036,China
    3 Key Lab of E-business Market Application Technology of Guangdong Province,Guangzhou 510320,China
    4 College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China
  • Published:2017-02-07

Abstract:

Based on the analysis of P2P hierarchical architecture,QoS evaluation model for overlay network layer and application layer were proposed combined with P2P File-Sharing system applications,and the overall QoS evaluation model was further formed.The simulation analyzed how the factors impact on the QoS,including the joining and leaving of nodes,node capabilities and uploading strategy,node,cache size,and node caching strategies and other.In addition,the heat of the file is also an important factor to influence system QoS.

Key words: peer-to-peer, file-sharing, quality of service, evaluation model

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