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SepRep: A Novel Reputation Evaluation Model in Peer-to-Peer Networks

SepRep: A Novel Reputation Evaluation Model in Peer-to-Peer Networks. Authors: Xiaowei Chen, Kaiyong Zhao, and Xiaowen Chu Source: Autonomic and Trusted Computing, LNCS 5060, pp. 86-99, 2008 Speaker: Shu-Fen Chiou( 邱淑芬 ). Introdution. C. a.mp3. 1. Request a.mp3. responder. A. B.

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SepRep: A Novel Reputation Evaluation Model in Peer-to-Peer Networks

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  1. SepRep: A Novel Reputation Evaluation Modelin Peer-to-Peer Networks Authors: Xiaowei Chen, Kaiyong Zhao, and Xiaowen Chu Source: Autonomic and Trusted Computing, LNCS 5060, pp. 86-99, 2008 Speaker: Shu-Fen Chiou(邱淑芬)

  2. Introdution C a.mp3 1. Request a.mp3 responder A B 2. Calculate responders’ Reputation & trust 3.Calculate the consult nodes’ recommand requester 4. Dowload E a.mp3 responder (malicious) G D F a.mp3 responder

  3. Motivation • QoS (Quality of Service) • Reputation value • Trust

  4. Hybrid Reputation and Trust Overlay Network (HRTON)

  5. Reputation and trust matrices

  6. Simple scheme Responder Initiator

  7. Evaluate reputation • Direct evaluation • Indirect evaluation • Local reputation

  8. Evaluate trust

  9. Comments • Initiator and responder can evaluate each other. • The interval nodes also compute their reputation for communication.

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