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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Runfang Zhou Kai Hwang |
| Copyright Year | 2006 |
| Description | Author affiliation: Southern California Univ. (Runfang Zhou; Kai Hwang) |
| Abstract | This paper presents a new approach to trusted grid computing in a peer-to-peer (P2P) setting. Trust and security are essential to establish lasting working relationships among the peers. A P2P reputation system collects peer trust scores and aggregates them to yield a global reputation. We use a new trust overlay network (TON) to model the trust relationships among the peers. After analyzing the eBay transaction trace data, we discover a power-law distribution in user feedbacks. We develop a new reputation system, PowerTrust, to leverage power-law feedback characteristics. The PowerTrust system is built with locality-preserving hash functions and a lookahead random walk strategy. Dynamic system reconfiguration is enabled by the use of power nodes with well-established reputations. Through P2P simulation experiments on distributed file sharing and grid parameter-sweeping applications (PSA), we demonstrate the PowerTrust advantages in fast reputation convergence and accurate ranking of peer reputations. We report performance results with enhanced P2P query success rate, shortened job makespan, and increased job success rate in scalable P2P grid applications |
| File Size | 259933 |
| File Format | |
| ISBN | 1424400546 |
| DOI | 10.1109/IPDPS.2006.1639268 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-04-25 |
| Publisher Place | Greece |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Intelligent networks Grid computing Peer to peer computing Distributed computing Feedback Power system modeling Power system management Web services Security Computer architecture parameter sweeping applications (PSA) Peer-to-Peer systems overlay network trust management distributed hash table (DHT) reputation system distributed file sharing |
| Content Type | Text |
| Resource Type | Article |
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