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31 January 2020 Highly spectrally efficient metro networks that adopt fiber-level granular routing on overlaid line-/ring-shaped virtual topologies
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Abstract
We propose a cost-effective metro network architecture with fiber-granular routing and path-granular add/drop operations together with its ILP-based design algorithm. The proposal alleviates the impact of filtering impairment while using already deployed OXC/ROADM nodes. Numerical simulations on several real-world metro topologies verify that it increases the spectral efficiency compared to the ideal method for DWDM networks.
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Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Paolo Monti "Highly spectrally efficient metro networks that adopt fiber-level granular routing on overlaid line-/ring-shaped virtual topologies", Proc. SPIE 11308, Metro and Data Center Optical Networks and Short-Reach Links III, 1130809 (31 January 2020); https://doi.org/10.1117/12.2545553
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