09MH1200, 100Gbps Ethernet and optical transmission technology development,
Kim Kwangjoon
Abstract
고속 네트워크 장비에 네트워크프로세서의 사용이 보편화 되고 라우팅 기능과 패킷처리 기능을 분리하는 분산형 시스템 구조가 이용됨에 따라 대용량의 트래픽을 매우 빠르게 처리하는 향상된 성능을 보일 수 있으나, 제어평면과 데이터 평면 사이에 추가 메시지 교환이 필요하여 시스템 내부 통신 지연이 증가하는 문제가 발생한다.본 논문에서 제안한 구조는 이더넷 프로텍션 스위칭 기술에 필요한 패킷 처리 기능 블록들을 효율적으로 배치하여 설계함으로써, 메시지 교환에 따른 지연의 증가에도 불구하고 단일 링크의 장애 발생 시 50 msec급 수준의 빠른 절체 성능을 보인다. 이에 따라 높은 신뢰성과 수십 기가비트의 광대역 전송이 요구되는 캐리어 이더넷 시스템에 적합한 선형 프로텍션 스위칭 기술의 설계 및 구현 방안을 제공할 수 있다.
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