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Efficient Mixed Topology Configuration Algorithm for Optical Carrier Ethernet
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 Title & Authors
Efficient Mixed Topology Configuration Algorithm for Optical Carrier Ethernet
Li, Bing-Bing; Yang, Won-Hyuk; Kim, Young-Chon;
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Carrier Ethernet, which extend The algorithm based on constructing the mixed topology and performing link stretching, MT/s, has been proposed for designing cost-efficient Carrier Ethernet in optical network with multi-line-rate. However, the MT/s algorithm has high blocking ratio because the wavelength capacity is fully allocated without considering the load balance of network. In this paper, we propose an efficient mixed topology configuration (EMTC) algorithm by modifying MT/s algorithm. In order to reduce blocking ratio, we adapt a threshold for each link to restrict the link utilization so that traffic load can be distributed over whole network. We also apply the EMTC algorithm into optical hybrid switched network to evaluate the availability of our algorithm for different applications. The performance of the EMTC algorithm is compared with that of MT/s algorithm through OPNET simulation. The simulation results show that our algorithm achieve lower blocking ratio than the MT/s algorithm. Moreover, in hybrid switched network, our algorithm performs better than MT/s algorithm in terms of packet loss ratio and end-to-end delay.
Carrier Ethernet;WDM;Mixed Topology;
 Cited by
다중 광섬유 링크를 갖는 IP over WDM 망에서 에너지 효율 향상을 위한 동적 경로 배정 및 파장 할당 알고리즘,이기범;강근영;김도영;김영천;

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