한국정보처리학회논문지 (The Transactions of the Korea Information Processing Society)

한국정보처리학회 (Korea Information Processing Society)
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BSHR/2 네트워크에서의 다중 선로 장애 복구에 관한 연구

A Study on Restoration of the Multi-Link Failures in BSHR/2 Networks

  • 한성택 (인하대학교 전자계산공학과) ;
  • 이영관 (인하대학교 대학원 전자계산공학과) ;
  • 장성대 (인하대학교 대학원전자계산공학과) ;
  • 이균하 (인하대학교 전자계산공학과)
  • Han, Seong-Taek (Dept.of Computer Science Engineering, Inha University) ;
  • Lee, Yeong-Gwan (Dept.of Computer Science Engineering, Graduate School of Inha University) ;
  • Jang, Seong-Dae (Dept.of Computer Science Engineering, Graduate School of Inha University) ;
  • Lee, Gyun-Ha (Dept.of Computer Science Engineering, Inha University)
  • 발행 : 1999.03.01
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초록

When one link failure happens in BSHR/2 networks, it is possible to restore all traffics by following the ITU-T G.841 rules. However, when a node that is currently executing a ring switch receives a long-path ring bridge request for an higher priority, it shall drop its bridge and switch immediately, then enter full pass-through. Even through link connection between two nodes exists, it is impossible to restore the service. In this paper, when multi-link failures happen, the services through connected link can be restored by exchanging messages through DCC(Data Communication Channel). Partially reconstructing the ring map that is unable to restore services because of multi-link failures made it possible to restore these kinds of traffic pattenrs. This paper shows that the services through connected link can be restored by using proposed method.

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