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서지반출
Performance Evaluation of Service-Aware Optical Transport System
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  • Performance Evaluation of Service-Aware Optical Transport System
  • Performance Evaluation of Service-Aware Optical Transport System
저자명
Youn. Ji-Wook,Yu. Jea-Hoon,Yoo. Tae-Whan
간행물명
ETRI journal
권/호정보
2010년|32권 2호|pp.241-247 (7 pages)
발행정보
한국전자통신연구원
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

We propose and experimentally demonstrate a service-aware optical transport system. The proposed service-aware optical transport system makes a flow based on service type and priority of traffic. The generated flow is mapped to a corresponding sub-${lambda}$ for transport over an optical network. Using sub-${lambda}$ provided by the centralized control plane, we could effectively provide quality-of-service guaranteed Ethernet service and best-effort service simultaneously in a single link. The committed information rate (CIR) traffic and best-effort traffic are assigned to different sub-${lambda}s$. The bandwidth of the CIR traffic is guaranteed without being affected by violation traffic because the bandwidth is managed per each sub-${lambda}$. The failure detection time and restoration time from a link failure is measured to be about 60 ${mu}s$ and 22 ms, respectively, in the ring network. The measured restoration time is much smaller than the 50 ms industry requirement for real-time services. The fast restoration time allows the proposed service-aware optical transport system to offer high availability and reliability which is a requirement for transport networks.