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

  • 제27권2C호
  • /
  • Pages.131-142
  • /
  • 2002
  • /
  • 1226-4717(pISSN)
  • /
  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

ATM망에서 클래스별 QoS 보장을 위한 Multi Case Self-healing방법

The Multi-Case Self-Healing Algorithm with QoS Guarantee in ATM Networks

  • 이동욱 (중소기업진흥공단 중소기업연수원 컴퓨터 정보산업과) ;
  • 홍충선 (경희대학교 전자정보학부) ;
  • 이대영 (경희대학교 전자정보학부)
  • 발행 : 2002.01.01
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초록

ATM 네트워크에서 오류가 발생한 VP를 복원하기 위한 자가치료(Self-healing) 알고리즘을 제안한다. 자가 복구 알고리즘 중 가장 많이 사용되고 있는 백업 VP 방법을 응용하였다. 기존 알고리즘의 문제점으로는 백업 VP에 장애가 발생하였을때 장애를 복구 할 수 있는 경우가 발생한다. 이러한 문제점을 보완하기 위해서 클래스별로 QoS를 보장하는 백업 VP 설정 알고리즘을 제안한다. 제안된 알고리즘은 노드 쌍의 등급에 대한 분리 경로그룹인 알고리즘-1과 CASE별 별도의 백업 VP를 적용한 알고리즘-2로 나누어 제안하였으며 이 들을 모의 통신망을 통해 적용, 서비스의 복구 성능을 비교, 분석, 고찰 하였다.

It is Proposed thatthe Algorithm for Self healing to restoration the backup VP Occurrence Error in ATM Network. This study focuses on self-healing algorithm to restore failed VP. and backup-VP algorithm, one of the popular self-healing algorithm, is applied in this study. The problem with the existing algorithm is that when backup-VP is failed, there is no solution. This study proposes backup-VP algorithm to guarantee QoS in accordance with class. This study evaluates the effect of failure and proposes two algorithms. One is a disjointed path group to node pair class, and the other is one that applied different backup-VP case by case. Through simulation network restoring ability is compared, analyzed and synthesized.

키워드

참고문헌

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