Efficient distributed reputation scheme for peer-to-peer systems

被引：0

作者：

Liau, CY ^{[1
]}

Zhou, X ^{[1
]}

Bressan, S ^{[1
]}

Tan, KL ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Comp Sci, Singapore 117548, Singapore

来源：

WEB AND COMMUNICATION TECHNOLOGIES AND INTERNET-RELATED SOCIAL ISSUES - HSI 2003 | 2003年 / 2713卷

关键词：

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Reputation systems for Peer-to-Peer (P2P) networks are relatively new. Most of the existing systems are centrally controlled hence raising scalability issues and single points of failure. In this paper we present a completely decentralized reputation scheme for P2P networks. The system is based on a certificate, RCert, which is a document that resides on a participating P2P node, which consists of information ratings collected from previous transactions with other peers. Central to the scheme is the concept of Public Key Infrastructure (PKI), upon on which much of the mechanism is based. In order to facilitate updates of RCert certificates, we present two protocols, RCertP and RCertPX. RCertP does not prevent the node from using older copies of RCert. An extended version, RCertPX, solves this problem by keeping track of the latest timestamp.

引用

页码：54 / 63

页数：10

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