Pretorius, M., Ghassemian, M. and Ierotheou, C. (2011) Virtualisation - securing a greener tomorrow with yesteryear's technology. In: Proceedings of the 12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011), May 2011. IEEE Conference Publications . Insitute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 760-772. ISBN 978-1-4244-9219-0 (Print), 978-1-4244-9220-6 (Online) (doi:https://doi.org/10.1109/INM.2011.5990599)

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Abstract

In April 2010 the Carbon Reduction Commitment (CRC) scheme became compulsory for British-based companies that have high energy consumption. The scheme is designed to encourage companies to reduce their energy consumption and as a result reduce their CO2 emissions. The government's goal is a 60% reduction in emissions over the next forty years.
Comprehensive research has shown that data centres are energy intensive and in many cases the hardware is underutilised. This leads to energy being wasted unnecessarily.
We present a critical comparison of a virtualised data centre infrastructure and an infrastructure that consists exclusively of physical servers. Our investigation shows how server virtualisation can better utilise the data centre hardware and consequently reduce the power consumption and carbon emissions.
The case study reports an extensive research phase to identify main reasons for data centre virtualisation. The data centre is then modelled, based on server information from one of the data centres at the University of Greenwich. We emulate a virtualised infrastructure to contrast against the physical infrastructure. These two models are then critically compared and the potential carbon emission reductions are analysed. Our results show that a virtualised data centre infrastructure could potentially reduce carbon emissions by approximately 31 %.

Item Type:	Conference Proceedings
Title of Proceedings:	Proceedings of the 12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011), May 2011.
Additional Information:	[1] First published online: 18 August 2011. [2] This paper was presented at the 12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011) held from 23-27 May 2011 in Dublin, Ireland. [3] IFIP = International Federation for Information Processing. [4] INSPEC Accession Number: 12190493.
Uncontrolled Keywords:	virtualisation, carbon emissions, energy consumption, communication, environmental factors, British-based companies, carbon emission reductions, carbon reduction commitment scheme, energy consumption reduction, power consumption reduction, virtualised data centre infrastructure
Subjects:	T Technology > T Technology (General)
Pre-2014 Departments:	School of Computing & Mathematical Sciences
Related URLs:	Publisher Organisation
Last Modified:	14 Oct 2016 09:21
URI:	http://gala.gre.ac.uk/id/eprint/8515

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