한국정보과학회논문지:정보통신 (Journal of KIISE:Information Networking)

한국정보과학회 (Korean Institute of Information Scientists and Engineers)
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고성능 결함감내 스위칭 망과 결함 진단법

A High-Performance Fault-Tolerant Switching Network and Its Fault Diagnosis

  • 박재현 (중앙대학교 컴퓨터공학부)
  • 발행 : 2004.06.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 편향 자기 경로 제어 방법을 사용하는 새로운 고성능 고장 감내 스위칭 망을 제시하고, 이 스위칭 망의 고장 진단 방법을 제안한다. 우리는 기본 스위치인 벤얀 망의 각 스위칭 단계들이 하나의 순환 군의 나열로 구성되어 있다는 사실과 자기 경로제어 관점에서 인접한 스위칭 단계들 간에 준동형(Homomorphism)이 존재하기 때문에, 모든 각 단계의 순환 군이 이 다음 단계의 부분군이고, 이들 단계들로 구성된 펙터 군이 존재한다는 성질과 사용하여, 결함이 생긴 링크들을 우회하는 대체 경로들로 추가한 링크들을 포함하는 모든 링크들을 사용하는 확장 벤얀 망인 다단 스위칭 망을 제시한다. 그리고 이 망의 성능을 시뮬레이션을 통해서 분석하여, 성능의 우수함을 보인다. 또한 이들 다중 경로를 제공하는 스위칭 망을 사용하는데 필수적인 결함 진단법을 제시한다.

In this paper, we present a high-performance fault-tolerant switching networks using a deflection self-routing scheme, and present fault-diagnosis method for the network. We use the facts: 1) Each stage of the Banyan network is arrayed as the sequences of a Cyclic group of SEs. 2) There is the homomorphism between adjacent stages from a view of self-routing, so that all of each Cyclic group is the subgroup of the Cyclic group in the next stage, and there are factor groups due to such subgroup and homomorphism. We provide high-performance fault-tolerant switching networks of which the all links including augmented links are used as the alternate links detouring faulty links. We also present the fault diagnosis scheme for the proposed switching network that provide multiple paths for each input-output pair.

키워드

참고문헌

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