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Performance Evaluation of a Survivable Ship Backbone Network Exploiting k-Shortest Disjoint Paths

k-최단 분리 경로 배정을 적용한 장애 복구형 선박 백본 네트워크의 성능 평가

  • 탁성우 (부산대학교 정보컴퓨터공학부)
  • Received : 2012.01.13
  • Accepted : 2012.02.26
  • Published : 2012.04.30

Abstract

The concept of $k$-shortest disjoint paths is considered important because the establishment of primary and backup forwarding paths exploiting shorter distance and faster propagation time is a dominant consideration for the design of a survivable backbone network. Therefore, we need to evaluate how well the concept of $k$-shortest disjoint paths is exploited for the design of a survivable ship backbone network considering the international standard related to ship backbone networks, the IEC61162-410 standard specifying how to manage redundant message transmissions among ship devices. Performance evaluations are conducted in terms of following objective goals: link capacity, hop and distance of primary and backup paths, even distribution of traffic flows, restoration time of backup forwarding paths, and physical network topology connectivity.

장애 복구형 백본 네트워크에서 경로의 짧은 거리 및 빠른 전파 지연시간은 주 경로와 백업 경로의 설정시 활용될 수 있는 중요한 성능 인자이기에 이에 $k$-최단 분리 경로 개념은 이러한 백본 네트워크 환경에서 매우 중요하게 고려된다. 이에 본 논문에서는 선박 장비 간의 중복 메시지 전송 기능을 명세하는 IEC61162-410 표준이 적용된 장애 복구형 선박 백본 네트워크에서 $k$-최단 분리 경로 개념의 적합성을 비교 평가하였다. 성능 평가는 링크 용량, 주경로 및 백업 경로의 홉 및 거리, 트래픽 흐름의 균등 분포, 백업 경로의 장애 복구 시간, 그리고 물리 네트워크 토폴로지의 연결성 측면에서 수행되었다.

Keywords

References

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