평판 기반 시스템(reputation-based system)은 현재 활발히 사용되고 있는 P2P(Peer-to-Peer) Network System에서 가장 주목받고 있는 인증 방식이다. 본 논문에서는 새로운 평판 기반 시스템인 Self-Reputation system을 제안한다. Self-Reputation system은 사용되어지는 P2P network에 무관하게 적용 가능하기 때문에, 여러 가지 P2P 네트워크에서의 평판을 하나로 통합 관리할 수 있는 방안을 제공한다. 또한, 이 시스템은 기존의 Xrep 방식에서 broadcast를 통해서 평판을 수렴하는 방법 대신 각 사용자들이 자신의 평판 테이블을 관리하도록 하여 평판을 알아보는 과정에서의 통신량을 현격하게 줄였고, 그 결과로 효율성을 크게 향상시켰다.
KSP Keywords
Peer-to-Peer(P2P), based system
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