Crosstalk-Aware Virtual Network Mapping in Space-Division-Multiplexing Optical Data Center Networks

Chen, Bowen; Zheng, Wenwen; Yu, Jun; Zheng, Danyang; Chen, Hong; Gao, Mingyi; Ju, Weiguo; Ho, Pin-Han; Jue, Jason P.; Shen, Gangxiang

doi:10.1109/tcomm.2024.3364359

IEEE Trans. Commun.

2024

DOI: 10.1109/tcomm.2024.3364359

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Crosstalk-Aware Virtual Network Mapping in Space-Division-Multiplexing Optical Data Center Networks

Bowen Chen,

Wenwen Zheng,

Jun Yu

et al.

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Cited by 1 publication

References 29 publications

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Power-consumption analysis for different IPoWDM network architectures with ZR/ZR+ and long-haul muxponders

Zhang,

Morea,

Layec

et al. 2024

J. Opt. Commun. Netw.

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Operators are constantly faced with the need to increase optical-network capacity to accommodate rapid traffic growth while minimizing the cost-per-bit and power-per-bit. The drastic reduction of the power consumption of IP routers and ZR/ZR+ pluggable transponders seen in the past several years has renewed the interest in “opaque” optical-network architectures, where no optical bypassing is allowed. In this work, we aim to quantify and compare the power consumption of four “IP over wavelength division multiplexing” (IPoWDM) transport network architectures employing ZR/ZR+ modules versus long-haul muxponders, considering different grooming, regeneration, and optical bypassing capabilities. We first propose a power consumption model for different IPoWDM node architectures with ZR/ZR+ modules and long-haul muxponders. Then, to obtain the power consumption of different architectures, we propose a compact auxiliary-graph-based network-design algorithm extensible to different network architectures. Moreover, we investigate how the continuous decrease in the power consumption of ZR/ZR+ and IP routers can impact the power consumption of different architectures through a sensitivity analysis. Illustrative numerical results on networks of different sizes show that, despite drastic reductions of power consumption at the IP layer, optical bypassing is still the most power-efficient solution, reducing consumption by up to 48%.

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Power-consumption analysis for different IPoWDM network architectures with ZR/ZR+ and long-haul muxponders

Zhang,

Morea,

Layec

et al. 2024

J. Opt. Commun. Netw.

View full text Add to dashboard Cite

show abstract

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Crosstalk-Aware Virtual Network Mapping in Space-Division-Multiplexing Optical Data Center Networks

Cited by 1 publication

References 29 publications

Power-consumption analysis for different IPoWDM network architectures with ZR/ZR+ and long-haul muxponders

Power-consumption analysis for different IPoWDM network architectures with ZR/ZR+ and long-haul muxponders

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