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A quantitative survey of the power saving potential in IP-Over-WDM backbone networks

Ward Van Heddeghem (UGent) , Bart Lannoo (UGent) , Didier Colle (UGent) , Mario Pickavet (UGent) and Piet Demeester (UGent)
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Abstract
The power consumption in Information and Communication Technologies networks is growing year by year; this growth presents challenges from technical, economic, and environmental points of view. This has lead to a great number of research publications on "green" telecommunication networks. In response, a number of survey works have appeared as well. However, with respect to backbone networks, most survey works: 1) do not allow for an easy cross validation of the savings reported in the various works and 2) nor do they provide a clear overview of the individual and combined power saving potentials. Therefore, in this paper, we survey the reported saving potential in IP-over-WDM backbone telecommunication networks across the existing body of research in that area. We do this by mapping more than ten different approaches to a concise analytical model, which allows us to estimate the combined power reduction potential. Our estimates indicate that the power reduction potential of the once-only approaches is 2.3x in a Moderate Effort scenario and 31x in a Best Effort scenario. Factoring in the historic and projected yearly efficiency improvements ("Moore's law") roughly doubles both values on a ten-year horizon. The large difference between the outcome of Moderate Effort and Best Effort scenarios is explained by the disparity and lack of clarity of the reported saving results and by our (partly) subjective assessment of the feasibility of the proposed approaches. The Moderate Effort scenario will not be sufficient to counter the projected traffic growth, although the Best Effort scenario indicates that sufficient potential is likely available. The largest isolated power reduction potential is available in improving the power associated with cooling and power provisioning and applying sleep modes to overdimensioned equipment.
Keywords
ENERGY-EFFICIENCY, IBCN, TELECOMMUNICATION NETWORKS, ELECTRICITY CONSUMPTION, OPTICAL NETWORKS, PATH PROTECTION, DESIGN, ICT, STRATEGIES, ETHERNET, TRENDS, Backbone network, energy saving, energy efficiency, ip-over-wdm, green network

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Citation

Please use this url to cite or link to this publication:

MLA
Van Heddeghem, Ward et al. “A Quantitative Survey of the Power Saving Potential in IP-Over-WDM Backbone Networks.” IEEE COMMUNICATIONS SURVEYS AND TUTORIALS 18.1 (2016): 706–731. Print.
APA
Van Heddeghem, W., Lannoo, B., Colle, D., Pickavet, M., & Demeester, P. (2016). A quantitative survey of the power saving potential in IP-Over-WDM backbone networks. IEEE COMMUNICATIONS SURVEYS AND TUTORIALS, 18(1), 706–731.
Chicago author-date
Van Heddeghem, Ward, Bart Lannoo, Didier Colle, Mario Pickavet, and Piet Demeester. 2016. “A Quantitative Survey of the Power Saving Potential in IP-Over-WDM Backbone Networks.” Ieee Communications Surveys and Tutorials 18 (1): 706–731.
Chicago author-date (all authors)
Van Heddeghem, Ward, Bart Lannoo, Didier Colle, Mario Pickavet, and Piet Demeester. 2016. “A Quantitative Survey of the Power Saving Potential in IP-Over-WDM Backbone Networks.” Ieee Communications Surveys and Tutorials 18 (1): 706–731.
Vancouver
1.
Van Heddeghem W, Lannoo B, Colle D, Pickavet M, Demeester P. A quantitative survey of the power saving potential in IP-Over-WDM backbone networks. IEEE COMMUNICATIONS SURVEYS AND TUTORIALS. 2016;18(1):706–31.
IEEE
[1]
W. Van Heddeghem, B. Lannoo, D. Colle, M. Pickavet, and P. Demeester, “A quantitative survey of the power saving potential in IP-Over-WDM backbone networks,” IEEE COMMUNICATIONS SURVEYS AND TUTORIALS, vol. 18, no. 1, pp. 706–731, 2016.
@article{7250258,
  abstract     = {The power consumption in Information and Communication Technologies networks is growing year by year; this growth presents challenges from technical, economic, and environmental points of view. This has lead to a great number of research publications on "green" telecommunication networks. In response, a number of survey works have appeared as well. However, with respect to backbone networks, most survey works: 1) do not allow for an easy cross validation of the savings reported in the various works and 2) nor do they provide a clear overview of the individual and combined power saving potentials. Therefore, in this paper, we survey the reported saving potential in IP-over-WDM backbone telecommunication networks across the existing body of research in that area. We do this by mapping more than ten different approaches to a concise analytical model, which allows us to estimate the combined power reduction potential. Our estimates indicate that the power reduction potential of the once-only approaches is 2.3x in a Moderate Effort scenario and 31x in a Best Effort scenario. Factoring in the historic and projected yearly efficiency improvements ("Moore's law") roughly doubles both values on a ten-year horizon. The large difference between the outcome of Moderate Effort and Best Effort scenarios is explained by the disparity and lack of clarity of the reported saving results and by our (partly) subjective assessment of the feasibility of the proposed approaches. The Moderate Effort scenario will not be sufficient to counter the projected traffic growth, although the Best Effort scenario indicates that sufficient potential is likely available. The largest isolated power reduction potential is available in improving the power associated with cooling and power provisioning and applying sleep modes to overdimensioned equipment.},
  author       = {Van Heddeghem, Ward and Lannoo, Bart and Colle, Didier and Pickavet, Mario and Demeester, Piet},
  issn         = {1553-877X},
  journal      = {IEEE COMMUNICATIONS SURVEYS AND TUTORIALS},
  keywords     = {ENERGY-EFFICIENCY,IBCN,TELECOMMUNICATION NETWORKS,ELECTRICITY CONSUMPTION,OPTICAL NETWORKS,PATH PROTECTION,DESIGN,ICT,STRATEGIES,ETHERNET,TRENDS,Backbone network,energy saving,energy efficiency,ip-over-wdm,green network},
  language     = {eng},
  number       = {1},
  pages        = {706--731},
  title        = {A quantitative survey of the power saving potential in IP-Over-WDM backbone networks},
  url          = {http://dx.doi.org/10.1109/COMST.2014.2364312},
  volume       = {18},
  year         = {2016},
}

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