Power Profiling the Internet Core

Bianzino, Aruna Prem; Raju, Anand; Rossi, Dario

doi:10.4018/978-1-4666-1842-8.ch013

Cited by 1 publication

(1 citation statement)

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“…This makes both the results potentially diverse, and very hard for the reader (and the authors of the current study) to compare energy saving results across different publications. As already noted by Bianzino et al [103], [104], there is a clear need for a consistent methodology and benchmark to evaluate different power saving techniques.…”

Section: ) Static Approaches Onlymentioning

confidence: 99%

A Quantitative Survey of the Power Saving Potential in IP-Over-WDM Backbone Networks

Heddeghem

Lannoo

Colle

et al. 2016

IEEE Commun. Surv. Tutorials

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Abstract-The power consumption in Information and Communication Technologies (ICT) networks is growing year by year; this growth presents challenges from a technical, economic and environmental point 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 (a) do not allow for an easy cross-validation of the savings reported in the various works, (b) nor do they provide a clear overview of the individual and combined power saving potential. Therefore, in this work 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 10 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 2.3× in a Moderate Effort scenario and 31× in a Best Effort scenario. Factoring in the historic and projected yearly efficiency improvements ("Moore's law") roughly doubles both values on a 10-year horizon. The large difference between the outcome of the Moderate Effort and Best Effort scenario 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.

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Section: ) Static Approaches Onlymentioning

confidence: 99%