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Comparison of wavelength requirements between two wavelength assignment methods in survivable WDM networks |
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| Authors: | Taehan Lee Sungsoo Park |
| Affiliation: | (1) Dept. of Industrial and Information Systems Engineering/Research Center of Industrial Technology, Chonbuk National University 664-14 Deokjin-dong,Deokjin-Gu, Jeonju, 561-756, Korea;(2) Department of Industrial Engineering, KAIST, 373-1 Guseong-Dong, Yuseong-Gu, Daejeon, 305-701, Korea |
| Abstract: | We consider the routing and wavelength assignment (RWA) in survivable WDM network. A path protection scheme assumed and two different wavelength assignment methods for protection paths are considered. Integer programming formulations of RWA under two wavelength assignment methods are proposed and we devised algorithms to solve them. Test results show that the difference of wavelength requirements between two wavelength assignment methods is 5–30– |
| Keywords: | Integer programming WDM RWA Column generation |
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