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	A distributed trust mechanism directly evaluating reputation of nodes
	Peng Dong-Sheng ; Lin Chuang ; Liu Wei-Dong
	2010-05-06 ; 2010-05-06
关键词	Practical/ computer viruses peer-to-peer computing security of data/ distributed trust mechanism reputation-based trust mechanism virus flooding malicious behavior P2P networ global seller reputation global buyer reputation transaction history EigenTrust/ C6150N Distributed systems software C6130S Data security
中文摘要	Reputation-based trust mechanism can efficiently solve the problems of virus flooding and malicious behaviors in P2P network. Most of the existing trust mechanisms use a single reputation value to depict the node's reliability, which cannot prevent malicious nodes from concealing dishonest selling behaviors with honest buying behaviors, and cannot separate the new node from the malicious one. This paper provides a new distributed trust mechanism, which iteratively calculates for each node a global seller reputation value and a global buyer reputation value based on transaction history, and whether a node is trustable or not can be identified from them. Comparison experiments and performance analysis between the mechanism and EigenTrust show that the mechanism can reduce the global reputation value of malicious node rapidly, restrain collusion attack, and decrease probability malicious transactions.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9833]
专题	清华大学
推荐引用方式 GB/T 7714	Peng Dong-Sheng,Lin Chuang,Liu Wei-Dong. A distributed trust mechanism directly evaluating reputation of nodes[J],2010, 2010.
APA	Peng Dong-Sheng,Lin Chuang,&Liu Wei-Dong.(2010).A distributed trust mechanism directly evaluating reputation of nodes..
MLA	Peng Dong-Sheng,et al."A distributed trust mechanism directly evaluating reputation of nodes".(2010).

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