2010-11- 25

1. Green data centers 2010-11- 25 Paolo Gemma / Yong-Woon KIM

2. Contents Ⅰ Problem statements Ⅱ Best practices for green data centers III WP3/5 related activities

3. I Problem statements

4. Energy Roles of data centers Portal Servers DC • e-Government … Game • public service … Storage … Telecom Security … Internet • banking Network Infra … Data center works as a Hub and information resources are being concentrated on the data center. • . . . • Broadband • IPTV • Smart Grid

5. Views of data center UPS Server farms KT Batteries Ventilation

6. Data centers and power consumption Expansion of data centers in Korea World data center power consumption 73 data centers (36providers) 1,120 GWh Power consumption: CAGR 45% 2 times per 5 years 730 GWh 530 GWh • 2% of world power consumption, equal to energy consumption of world air flights • 100 billion KWh estimated in 2011 (equal to that of Paris for 16 years) • Equal to energy consumption of all households of 1.1 million population of a city (1,260 GWh)

7. Status of data centers in the world and Korea 2,500 in 74 countries Public sector (9) Economy sector (9) Service providers (30) Private sector (25) 73 data centers in Korea

8. Critical issues in DC: cooling and power consumption • Space shortage in DC estimated due to fast increasing servers and storages • Cost of power and cooling will be increased in 4 years by 47%. It will take 71% of installation cost of new servers. Spending (US$B) Installed Base (M Units) Heat load per space for H/W $300 50 Power and cooling costs x8 Server mgmt and admin costs x4 New server spending 45 $250 40 35 $200 30 $150 25 20 $100 15 10 $50 5 $0 0 1998 2000 2001 2003 1997 1999 2007 2008 2009 2010 2002 2004 2005 1996 2006 SOURCE: IDC, ‘Worldwide Server Power and Cooling Expense 2006-2010,’ Document #203598, Sept. 2006 American Society of Heating, Refrigerating, and Air conditioning Engineers committee

9. $250 $200 $150 Green DC (PUE=1.5) $100 $50 0 1 3 5 7 9 11 14 18 2 4 6 8 10 12 13 15 16 17 19 20 Year Energy efficiency improvement in data centers Case study: 1,851 m2 data center in US • Cumulative cost of data center operations • 75% of operation cost related to power consumption • Green data center: 35% of cost savings compared to existing and non-green data center Energy Cost Staffing Bldg. Maint. & Mgmt. R E Tax Cumulative Cost of Operations ($Millions) Source: IBM Estimates for $50M data center

10. Energy efficiency is a critical issue at data centers “60% of total establishment cost of data center is caused by energy-relevant facilities.” Cost of ventilation-relevant facilities Raised Floor Cooling 28% Ventilation facilities, 20% Contingency 9% Building maintenance 4% Cooling Plant 72% General Contractor Fee8% Cost of power-relevant facilities Architect / Engineer 5% UPS 27% Power facilities,36% Commissioning 2% Power Distribution 28% Fit-Up Costs 9% Generator 45% Shell 7% Total cost of data center establishment * Source: IBM engineering estimates, 2008

11. What are future issues which will be raised in 2 years? Survey result for data center experts Source: Bathwick Energy Efficiency Benchmark Tool

12. Best practices for green data centers II

13. Keywords of Green Data center • Energy efficiency • Modularity & Scalability • Ecology and Sustainability

14. How to make Green Data Center 1. Downsize, Reuse and Recycle 2. Avoid over-specification for equipment 3. Minimize energy consumption 4. Consider energy efficiency in building design 5. Use integration and virtualization Source: HP Green Datacenter service/solution

15. Green Datacenter Transformation Virtualisation/ Utility Compute Pool Storage Pool Network Pool Standardisation/ Automation Consolidation Application Rationalization Source: HP Green Datacenter service/solution

16. Best practices for green data centers Virtualization Building • Avoidance of energy leakage by radiation protection • Installation of no windows in certain areas • Sharing of physical resources via virtualization • Downsize of installation space Storage integration Power • Integration of storages into a pool via virtualization and improvement of its utilization • Energy diagnosis and estimation • High efficient UPS • Design of scalable UPS load • Space savings by use of DC • Use of high efficient lightings Management Hot spot management • Individual control of lightings • Management of peak power • Real-time PUE management • Management of hot spots via analysis of power consumption and usage patterns Cooling • Relocation of equipment by fluid dynamics • Inducement of cold air in winter season

17. Energy savings effect NCPI: network-critical physical infrastructure APC White paper #114 “ Implementing Energy Efficient Data Centers”, 2006

18. Energy efficiency improvement for ICT equipment Prospective elements of ICT equipment to improve energy efficiency are CPU, power supply, cooling fan, storage, etc.

19. III WP3/5 related activities

20. ITU-T SG5 Activities on data center WP3/5 planned a series of recommendations to cover data centers impact. L.DC Data Center best practices L.metrinfra Metrics for infrastructure and data center L.measinfra Measurement method for infrastructure and Data Center

21. L.DC Data Center best practices

22. L.metrinfraMetrics for infrastructure and data center

23. L.measinfra Measurement method for infrastructure and Data Center

24. THANK YOU FOR YOUR ATTENTION!