A connectivity-based approach for the construction of hierarchical WDM network topology |
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| Authors: | I-Hsuan Peng Yen-Wen Chen Po-Wei Wu |
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| Affiliation: | (1) Department of Communication Engineering, National Central University, Chung-Li, Taiwan, ROC |
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| Abstract: | A hierarchical network model can effectively reduce the complexity of routing and wavelength assignment (RWA) in wavelength
division multiplexing (WDM) networks compared to a flat model. However, the resource utilization may greatly suffer if the
hierarchical architecture is not properly arranged. By considering the degree of each WDM node and the location effect, this
paper proposes a systematic approach to construct the hierarchical topology in WDM networks so that resource utilization can
be maximized. Simulation results demonstrate that the performance of the proposed scheme is superior to that of another scheme.
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| Keywords: | WDM Hierarchical topology Routing and wavelength assignment |
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