May 2021
Intermediate to advanced
752 pages
39h 27m
English
Content preview from Data Center Handbook, 2nd Edition
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19ENERGY‐SAVING TECHNOLOGIES OF SERVERS IN DATA CENTERS
Weiwei Lin1, Wentai Wu2, and Keqin Li3
1 School of Computer Science and Engineering, South China University of Technology, Guangzhou, China
2 Department of Computer Science, University of Warwick, Coventry, United Kingdom
3 Department of Computer Science, State University of New York, New Paltz, New York, United States of America
19.1 INTRODUCTION
We are enjoying various kinds of online services that offer so much fun and convenience to our life—in a large part, these should be credited to those enterprise‐owned data centers though we may never be conscious of where they are. Speaking more precisely, it is those metal “labors” racked row upon row working 24 hours a day that uphold every demand of us. When you upload the latest holiday photos to Facebook, there's a chance they'll end up stored in one of the tens of thousands of servers in Prineville, Oregon, a small town where the company has built three giant data centers and two more are in plan. Undoubtedly, data centers are making life better, but benefits always come at a cost—data centers are gobbling up our energy. Already, data centers use an estimated 200 terawatt hours (TWh) each year, while Anders Andrae, a specialist in sustainable Information and Communication Technology (ICT), forecasts that the energy demand of ICT will accelerate in the 2020s, approaching 9,000 TWh by 2030 among which data centers will take a large slice. With this trend, topics related ...
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