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Article Dans Une Revue Journal of Optical Communications and Networking Année : 2017

Dimensioning of 112G Optical-Packet-Switching-Based Interconnects for Energy-Efficient Data Centers

Résumé

We present the dimensioning of an optical packet switching network for energy-efficient intra-data-center connections. Our approach relies on one or two interconnection stages derived from the time-wavelength-interleaved network concept and relying on fast wavelength-tunable lasers. We compare several options by numerical simulation to increase the bit rate of the intra-data-center links up to 112 Gbit/s. The analysis focuses on pulse-amplitude modulation (4 and 8 PAM), where a pre-distortion mechanism is introduced and three types of optical receivers are taken into account. Possible dispersion of device characteristics is taken into account. The single-stage system should enable us to connect 48 servers using 8 PAM and semiconductor-optical amplifier (SOA)-PIN in conjunction with a 62.5 GHz grid. In the two-stage configuration, this number increases up to 1488.
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Dates et versions

hal-01498936 , version 1 (30-03-2017)

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Bárbara Dumas Feris, Philippe Gravey, Pascal Morel, Marie-Laure Moulinard, Michel Morvan, et al.. Dimensioning of 112G Optical-Packet-Switching-Based Interconnects for Energy-Efficient Data Centers. Journal of Optical Communications and Networking, 2017, 9 (4), pp.B124-B136. ⟨10.1364/JOCN.9.00B124⟩. ⟨hal-01498936⟩
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