A Credit-Based Approach for Overcoming Free-Riding Behaviour in Peer-to-Peer Networks

Manal Hazazi; Afnan Almousa; Heba Kurdi; Shiroq Al-Megren; Shada Alsalamah

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A Credit-Based Approach for Overcoming Free-Riding Behaviour in Peer-to-Peer Networks

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摘要

The underlying premise of peer-to-peer(P2P)systems is the trading of digital resources among individual peers to facilitate file sharing,distributed computing,storage,collaborative applications and multimedia streaming.So-called free-riders challenge the foundations of this system by consuming resources from other peers without offering any resources in return,hindering resource exchange among peers.Therefore,immense effort has been invested in discouraging free-riding and overcoming the ill effects of such unfair use of the system.However,previous efforts have all fallen short of effectively addressing free-riding behaviour in P2P networks.This paper proposes a novel approach based on utilising a credit incentive for P2P networks,wherein a grace period is introduced during which free-riders must reimburse resources.In contrast to previous approaches,the proposed system takes into consideration the upload rate of peers and a grace period.The system has been thoroughly tested in a simulated environment,and the results show that the proposed approach effectively mitigates free-riding behaviour.Compared to previous systems,the number of downloads from free-riders decreased while downloads by contributing peers increased.The results also show that under longer grace periods,the number of downloads by fast peers(those reimbursing the system within the grace period)was greater than the number of downloads by slow peers.

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来源
《计算机、材料和连续体（英文）》 |2019年第4期|P.15-29|共15页
作者
Manal Hazazi; Afnan Almousa; Heba Kurdi; Shiroq Al-Megren; Shada Alsalamah;
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作者单位

College of Computer and Information Science King Saud University Riyadh 11642 Saudi Arabia;

College of Computer and Information Science King Saud University Riyadh 11642 Saudi Arabia;

College of Computer and Information Science King Saud University Riyadh 11642 Saudi ArabiaMechanical Engineering Department Massachusetts Institute of Technology(MIT) Cambridge MA 02139 USA;

College of Computer and Information Science King Saud University Riyadh 11642 Saudi Arabia;

College of Computer and Information Science King Saud University Riyadh 11642 Saudi Arabia;

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原文格式 PDF
正文语种 chi
中图分类计算技术、计算机技术;
关键词
Peer-to-peer network; free-riding; file sharing; credit;

机译：点对点网络;搭便车;文件共享;信用;

A Credit-Based Approach for Overcoming Free-Riding Behaviour in Peer-to-Peer Networks

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