Energy efficiency evaluation of tree-topology 10 gigabit ethernet passive optical network and ring-topology time- and wavelength-division-multiplexed passive optical network

Jingjing Song; Chuanchuan Yang; Qingxiang Zhang; Zhuang Ma; Xingang Huang; Dan Geng; Ziyu Wang

doi:10.1117/1.OE.54.9.090502

28 September 2015 Energy efficiency evaluation of tree-topology 10 gigabit ethernet passive optical network and ring-topology time- and wavelength-division-multiplexed passive optical network

Jingjing Song, Chuanchuan Yang, Qingxiang Zhang, Zhuang Ma, Xingang Huang, Dan Geng, Ziyu Wang

Author Affiliations +

Optical Engineering, Vol. 54, Issue 9, 090502 (September 2015). https://doi.org/10.1117/1.OE.54.9.090502

Abstract

Higher capacity and larger scales have always been the top targets for the evolution of optical access networks, driven by the ever-increasing demand from the end users. One thing that started to attract wide attention not long ago, but with at least equal importance as capacity and scale, is energy efficiency, a metric essential nowadays as human beings are confronted with severe environmental issues like global warming, air pollution, and so on. Here, different from the conventional energy consumption analysis of tree-topology networks, we propose an effective energy consumption calculation method to compare the energy efficiency of the tree-topology 10 gigabit ethernet passive optical network (10G-EPON) and ring-topology time- and wavelength-division-multiplexed passive optical network (TWDM-PON), two experimental networks deployed in China. Numerical results show that the ring-topology TWDM-PON networks with 2, 4, 8, and 16 wavelengths are more energy efficient than the tree-topology 10G-EPON, although 10G-EPON consumes less energy. Also, TWDM-PON with four wavelengths is the most energy-efficient network candidate and saves 58.7% more energy than 10G-EPON when fully loaded.

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Jingjing Song, Chuanchuan Yang, Qingxiang Zhang, Zhuang Ma, Xingang Huang, Dan Geng, and Ziyu Wang "Energy efficiency evaluation of tree-topology 10 gigabit ethernet passive optical network and ring-topology time- and wavelength-division-multiplexed passive optical network," Optical Engineering 54(9), 090502 (28 September 2015). https://doi.org/10.1117/1.OE.54.9.090502

Published: 28 September 2015

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