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Assessment of Optical Node Architectures for Building Next Generation Large Bandwidth Networks
Mungun-Erdene GANBOLD Takuma YASUDA Yojiro MORI Hiroshi HASEGAWA Fumikazu INUZUKA Akira HIRANO Ken-ichi SATO
IEICE TRANSACTIONS on Communications
Publication Date: 2020/06/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
ROADM, OXC, fiber cross-connect, routing and wavelength assignment,
Full Text: FreePDF(3.5MB)
We analyze the cost of networks consisting of optical cross-connect nodes with different architectures for realizing the next generation large bandwidth networks. The node architectures include wavelength granular and fiber granular optical routing cross-connects. The network cost, capital expenditure (CapEx), involves link cost and node cost, both of which are evaluated for different scale networks under various traffic volumes. Numerical experiments demonstrate that the subsystem modular architecture with wavelength granular routing yields the highest cost effectiveness over a wide range of parameter values.