최근 높은 대역폭을 요구하는 애플리케이션이 증가하면서 10G 이더넷이 활발히 도입되고 있으나, 트래픽의 집중화가 계속 진행되고 있어서 더욱 큰 대역폭을 제공할 수 있는 100G급 이더넷 기술이 요구되고 있다. 100G 이더넷은 단거리 서버 환경을 지원하는 40G 이더넷과 함께 IEEE 802.3에서 표준화를 진행하고 있으며 2010년 완료를 목표로 하고 있다. 그리고 ITU-T SG15에서는 100G급 OTN 신호에 대한 논의가 활발히 진행되고 있다. 본 고에서는 40G/100G 이더넷 표준화 동향과 이슈들에 대해 살펴 보고, 관련 MAC/PHY 기술과 OTN 전송 기술에 대해 살펴 본다.
KSP Keywords
IEEE 802, ITU-T
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