차세대 망은 광 네트워크 위에 이더넷 또는 IP 망이 GMPLS의 제어 하에 오버레이 또는 통합되는 다계층 구조로 이루어진다. 다계층 망의 자가치료망 구축을 위해서는 여러 계층의 상호 작용에 의한 다계층 망의 복구 스킴이 필수적이다. 근원장애 분석을 통해서 기존의 대기시간에 기반을 둔 하의상달식 스킴의 복구완료 시간을 단축시킬 수 있다. 본 논문에서는 다계층 망의 복구완료 시간을 최소화하기 위하여 근원장애 분석에 기반을 둔 하의상달식 복구 방안과 시나리오를 정의하였다. 또한, 하의상달식 다계층 망의 복구 규칙들을 정책 기반의 복구 관리가 가능하도록 IETF의 PCIM(Policy Core Information Model) 모델에 기반하여 XML 스키마로 정의하였다.
KSP Keywords
Core information, Information model
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