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- W4381198990 abstract "Nowadays, the booming of emerging network services have shifted the major traffic pattern in metro-aggregation networks from point-to-point (P2P) to hub-and-spoke (H&S). Hence, it will be promising to plan metro-aggregation networks with point-to-multipoint coherent optical transceivers (P2MP-TRXs). This work studies how to plan a survivable wavelength-switched optical network (WSON) with P2MP-TRXs and shared backup path protection (SBPP) to address single-link failures. We formulate an integer linear programming (ILP) model to place P2MP-TRXs, assign sub-carriers (SCs) to P2MP-TRXs, and calculate routing and spectrum assignment (RSA) for the working/backup lightpath between each hub-leaf P2MP-TRX pair, such that traffic demands can be satisfied with the minimum cost. A heuristic based on adaptive demand grouping (ADG) is also proposed to solve the problem time-efficiently. Extensive simulations confirmed the performance of our proposals." @default.
- W4381198990 created "2023-06-20" @default.
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- W4381198990 date "2023-09-01" @default.
- W4381198990 modified "2023-10-10" @default.
- W4381198990 title "Planning of Survivable Wavelength-Switched Optical Networks based on P2MP Transceivers" @default.
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- W4381198990 doi "https://doi.org/10.1109/tnsm.2023.3287302" @default.
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