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24451 Minimizing energy dissipation in content distribution networks using dynamic power management
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Bostoen, T. and Napper, J. and Mullender, S.J. and Berbers, Y. (2013) Minimizing energy dissipation in content distribution networks using dynamic power management. In: Proceedings of the 3rd IEEE International Conference on Cloud and Green Computing, CGC 2013, 30 Sep - 02 Oct 2013, Karlsruhe, Germany. pp. 203-210. IEEE Computer Society. ISBN 978-0-7695-5114-2

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Official URL: http://dx.doi.org/10.1109/CGC.2013.40

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Abstract

The growing end-user demand for video services with superior quality on laptops, tablets, and smartphones spurs the deployment of telco content distribution networks (CDNs). Such CDNs provide scalable and bandwidth-efficient video delivery thanks to disk-packed cache servers deployed in the telco's data centers near the clients. However, a sustainable growth of these CDNs may be hindered by their lack of energy proportionality. In this paper we propose to apply dynamic power management (DPM) to the CDN's cache servers and their disks to increase the CDN's energy efficiency. We evaluate DPM using a CDN energy simulator driven by HTTP adaptive-streaming workload traces recorded by an operational CDN delivering IPTV to mobile devices. Even for a minimally-provisioned CDN, we observe a reduction of the energy dissipation by approximately 30% thanks to large cyclic load fluctuations characteristic of IPTV delivery.

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-PS: Pervasive Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
ID Code:24451
Status:Published
Deposited On:27 February 2014
Refereed:Yes
International:Yes
More Information:statisticsmetis

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