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Research credible theories and mechanisms for routing P2P networks

Author: LiuXiaoLin
Tutor: PengYunFeng
School: University of Electronic Science and Technology
Course: Communication and Information System
Keywords: P2P networks trust relationship trust model routing
CLC: TP393.02
Type: Master's thesis
Year: 2011
Downloads: 49
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Abstract


With the wide deployment of internet, the technology of P2P is widely applicated in recent years. But because of the distributed structure of P2P network, the open environment results of much security problem. The research of how to ensure the routing security is very important.This paper proposes a new trusted routing mechanism based on trust relationship for P2P network.Firstly, this paper analyzes the current security issues of P2P network. This part includes the existing research on security both at home and abroad, especially on the studies of trust model, and then this part analyzes the fault of the existing trust models.Secondly, this paper presents some important keys to build trust model. It mainly includes the introduction of trust and trust model, and analyzes the application of trust model in P2P network. From the summary, we can find the target of design trust model. The following trusted routing mechanism is based on the trust model.Thirdly, based on existing studies, this paper presents a new evaluation and management theoretic framework of trust model. This part presents the mechanism of definition, management and update of the trust. From the simulation, we can find that our trust model can accurately and speedily locate the malicious nodes under vicious attacks.Fourthly, from the angle of application, this paper presents the improved trusted routing mechanism based on trust degree which improves the routing strategy. From trust relationship, the nodes can communicate reliably and prevent deviant behavior. Meanwhile, the redirection of routing makes search more effective. This routing mechanism is dynamic and flexible. And then, the simulation shows that the trust routing mechanism is security.Finally, this paper concludes the work and indicates the future works.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer network architecture and design
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