Abstract
Reputation aggregation methods are used in unstructured peer-to-peer(P2P) networks to evaluate the trust-worthiness of participating peers and to combat malicious peer's behaviors. In reputation aggregation methods, each peer collects local scores by each transaction and calculates global scores by aggregating local scores. Using the global scores, individual peer can interact with reliable peers. GossipTrust is proposed as a reputation aggregation method for the unstructured P2P networks, and it can avoid transacting with peers with simple malicious behavior. Although, there are tactical malicious peers, which provide not only inauthentic files but also authentic files in each file request in the networks. GossipTrust has a problem that these peers are able to provide inauthentic files effectively. In this paper, we propose a reputation aggregation method called "Trust Based on Provisional Value(PTrust)." PTrust enables peers to send occasional messages to lower the global scores of malicious peers as soon as they receive inauthentic files. By using PTrust, we can effectively combat tactical malicious peers and solve the problem in GossipTrust. In computer simulations, PTrust has been shown to decrease the number of inauthentic file downloads compared with GossipTrust.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011 |
| Pages | 180-185 |
| Number of pages | 6 |
| DOIs | |
| Publication status | Published - 2011 |
| Event | 2011 1st International Symposium on Access Spaces, ISAS 2011 - Yokohama, Japan Duration: 2011 Jun 17 → 2011 Jun 19 |
Other
| Other | 2011 1st International Symposium on Access Spaces, ISAS 2011 |
|---|---|
| Country | Japan |
| City | Yokohama |
| Period | 11/6/17 → 11/6/19 |
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Keywords
- Peer-to-peer
- reputation aggregation method
- security
- trust
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering
Cite this
PTrust : Provisional Value based trust for reputation aggregation in peer-to-peer networks. / Yajima, Takashi; Matsumoto, Asaki; Shigeno, Hiroshi.
Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011. 2011. p. 180-185 5960944.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - PTrust
T2 - Provisional Value based trust for reputation aggregation in peer-to-peer networks
AU - Yajima, Takashi
AU - Matsumoto, Asaki
AU - Shigeno, Hiroshi
PY - 2011
Y1 - 2011
N2 - Reputation aggregation methods are used in unstructured peer-to-peer(P2P) networks to evaluate the trust-worthiness of participating peers and to combat malicious peer's behaviors. In reputation aggregation methods, each peer collects local scores by each transaction and calculates global scores by aggregating local scores. Using the global scores, individual peer can interact with reliable peers. GossipTrust is proposed as a reputation aggregation method for the unstructured P2P networks, and it can avoid transacting with peers with simple malicious behavior. Although, there are tactical malicious peers, which provide not only inauthentic files but also authentic files in each file request in the networks. GossipTrust has a problem that these peers are able to provide inauthentic files effectively. In this paper, we propose a reputation aggregation method called "Trust Based on Provisional Value(PTrust)." PTrust enables peers to send occasional messages to lower the global scores of malicious peers as soon as they receive inauthentic files. By using PTrust, we can effectively combat tactical malicious peers and solve the problem in GossipTrust. In computer simulations, PTrust has been shown to decrease the number of inauthentic file downloads compared with GossipTrust.
AB - Reputation aggregation methods are used in unstructured peer-to-peer(P2P) networks to evaluate the trust-worthiness of participating peers and to combat malicious peer's behaviors. In reputation aggregation methods, each peer collects local scores by each transaction and calculates global scores by aggregating local scores. Using the global scores, individual peer can interact with reliable peers. GossipTrust is proposed as a reputation aggregation method for the unstructured P2P networks, and it can avoid transacting with peers with simple malicious behavior. Although, there are tactical malicious peers, which provide not only inauthentic files but also authentic files in each file request in the networks. GossipTrust has a problem that these peers are able to provide inauthentic files effectively. In this paper, we propose a reputation aggregation method called "Trust Based on Provisional Value(PTrust)." PTrust enables peers to send occasional messages to lower the global scores of malicious peers as soon as they receive inauthentic files. By using PTrust, we can effectively combat tactical malicious peers and solve the problem in GossipTrust. In computer simulations, PTrust has been shown to decrease the number of inauthentic file downloads compared with GossipTrust.
KW - Peer-to-peer
KW - reputation aggregation method
KW - security
KW - trust
UR - http://www.scopus.com/inward/record.url?scp=80051815676&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80051815676&partnerID=8YFLogxK
U2 - 10.1109/ISAS.2011.5960944
DO - 10.1109/ISAS.2011.5960944
M3 - Conference contribution
SN - 9781457707179
SP - 180
EP - 185
BT - Proceedings of 2011 1st International Symposium on Access Spaces, ISAS 2011
ER -