The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Multidimensional Ring-Delta Network: A High-Performance Fault-Tolerant Switching Networks

다차원 링-델타 망: 고성능 고장감내 스위칭 망

  • 박재현 (중앙대학교 공과대학 컴퓨터공학부)
  • Published : 2010.01.31
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Abstract

In this paper, a high-performance fault-tolerant switching network using a deflection self-routing was proposed. From an abstract algebraic analysis of the topological properties of the Delta network, which is a baseline switching network, we derive the Multidimensional Ring-Delta network: a multipath switching network using a deflection self-routing algorithm. All of the links including already existing links of the Delta network are used to provide the alternate paths detouring faulty/congested links. We ran a simulation analysis under the traffic loads having the non-uniform address distributions that are usual in Internet. The throughput of $1024\;{\times}\;1024$ switching network proposed is better than that of the 2D ring-Banyan network by 13.3 %, when the input traffic load is 1.0 and the hot ratio is 0.9. The reliability of $64\;{\times}\;64$ switching network proposed is better than that of the 2D ring-Banyan network by 46.6%.

본 논문에서는 편향 자기 경로 제어 방법을 사용하는 새로운 고성능 고장 감내 스위칭 망을 제시한다. 기반이 되는 델타 망의 위상적 구조를 대수적 기법을 사용하여 해석한 결과로 부터, 편향 자기 경로 제어 알고리즘을 사용하는 다중 경로 스위칭 망인 다차원 링-델타 망을 유도한다. 제시된 스위칭 망에서는 델타 망의 링크들을 포함하는 모든 링크들이 결함 혹은 혼잡이 생긴 링크들을 우회하는 대체 경로들로써 사용된다. 본 연구에서 비균일 주소 분포를 가진 부하를 가했을 경우의 이 망의 성능을 시뮬레이션을 사용하여 분석하였다. 입력 셀의 도착률이 0.9이고, Hot Ratio가 0.8인 경우, $1024\;{\times}\;1024$ 크기의 제안된 스위칭 망의 통과율은 사이클릭 벤얀 망에 비해서 36.5% 우수하고, 2차원 링-벤얀 망에 비해서 13.3% 우수하다. 또한, $64\;{\times}\;64$ 크기의 제안된 스위칭 망의 신뢰도 는 Hui의 망에 비해 2.2배, 2차원 링-벤얀 망에 비해 46.6% 높다.

Keywords

References

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