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1 SepRep: A Novel Reputation Evaluation Model in Peer-to-Peer Networks Authors: Xiaowei Chen, Kaiyong Zhao, and Xiaowen Chu Source: Autonomic and Trusted.

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Presentation on theme: "1 SepRep: A Novel Reputation Evaluation Model in Peer-to-Peer Networks Authors: Xiaowei Chen, Kaiyong Zhao, and Xiaowen Chu Source: Autonomic and Trusted."— Presentation transcript:

1 1 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 )

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

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

4 4 Hybrid Reputation and Trust Overlay Network (HRTON)

5 5 Reputation and trust matrices

6 6 Simple scheme Initiator Responder

7 7 Evaluate reputation Direct evaluation Indirect evaluation Local reputation

8 8 Evaluate trust

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


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