광 네트워크상의 SONET계층에서 수행되었던 망의 고장에 대한 복구 등의 요구사항은 Generalized Multiprotocol Lambda Switching (GMPLS)에서 해결해야 할 가장 중요한 문제중의 하나이다. GMPLS망 구현 시 고려되어야 할 사항중의 하나는 중단 없는 서비스를 제공하고 망의 효율을 극대화하기 위하여 망의 고장이나 성능의 저하를 대응하기 위한 관리 방안이다. 신뢰성 있는 망 서비스를 제공하기 위한 망 복구 기능에 있어서 주요 과제는 복구의 대상으로 하는 작업 경로에 대한 대체경로를 설정하는 것이다. 본 논문은 GMPLS를 이용하여 광 네트워크에서 최소한의 링크 정보로 망 자원의 효율성을 증가시키는 동시에 모든 작업 경로와 대체 경로의 경로 구성 정보를 이용하여 정확한 대역 공유가 가능한 경로 자동 복구 기법을 제안한다. 본 메커니 즘의 경우 확장된 CR-LDP프로토콜을 이용하게 되므로 망의 변형을 최소화하는 동시에 효율성 면에서 매우 뛰어난 메커니즘이라 할수 있다.
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