NDLI: An assessment of power-load proportionality in network systems

Content Provider	IEEE Xplore Digital Library
Author	Ricca, M. Francini, A. Fortune, S. Klein, T.
Copyright Year	2013
Description	Author affiliation: Bell Labs., Alcatel-Lucent, Mooresville, NC, USA (Francini, A.) \|\| Politec. di Torino, Turin, Italy (Ricca, M.) \|\| Bell Labs., Alcatel-Lucent, Murray Hill, NJ, USA (Fortune, S.; Klein, T.)
Abstract	Power-load proportionality is a necessary feature in networks that aim at maximizing energy efficiency. Even in networks that handle near-capacity loads very efficiently, energy savings increase substantially if the power consumption closely follows the offered load. Rate adaptation is a common denomination for a set of technologies that operate at different timescales to establish power-load proportionality. To propel their deployment, it is useful to assess how compatible they are with existing network systems and identify the design upgrades that can maximize their energy savings in future networks. The formulation of accurate energy profiles for current equipment is a first step in this direction. We run extensive power measurement experiments to compile the energy profiles of five network systems from multiple vendors. Our results show only negligible signs of power-load proportionality in all five cases: to really make a dent in the carbon footprint and operational cost of packet networks, future system designs must pervasively deploy rate adaptation technologies, especially those that control power state transitions at the packet timescale.
Starting Page	1
Ending Page	8
File Size	290249
Page Count	8
File Format	PDF
ISBN	9783901882562
DOI	10.1109/SustainIT.2013.6685190
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-30
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power demand Power measurement Ports (Computers) Switches Hardware Load modeling
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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