1. Accelerating business innovation; a Technology Strategy Board programme Thin Clients and Energy Consumption September 2 nd 2008 Dave Berry National e-Science Centre Accelerating business innovation; a Technology Strategy Board programme

2. Accelerating business innovation; a Technology Strategy Board programme GCN in one slide Grid Computing Now! champions advanced IT techniques to UK plc. Web platform; industry news; webinars; user case studies; active community and regional programmes. Led by Intellect in collaboration with the National e-Science Centre and CNR Ltd. Project launched by the DTI in February 2005 for 3 years. Now operated by the Technology Strategy Board, sponsored by DIUS. Loose definition of Grid, including Virtualisation, Software as a Service, Service Orientation, Cloud Computing.

3. Virtualization; green benefits and the reality Nic Barnes, May 2008 Excerpts from the GCN! webinar broadcast in May this year.

4. Power Usage Effectiveness Recap 4 | Global Technology Services PUE = Total Facility Power IT Equipment Power A B

5. Measurements and Assumptions Power Measurements 5 | Global Technology Services DeviceIn UseStandby/Idle Thin Client15W13.5W 19” LCD Monitor27W0.6W Desktop PC80W3.7W Intel 4 CPU quad core white box with 64Gb RAM730W508W Assumptions –Power consumption of storage for virtual disk images excluded from model –Server power consumption linear increase with CPU utilisation –Average LCD brightness set to 75%

7. Virtual Desktop Power Utilisation - Comparison 1 7 | Global Technology Services PC + 19” LCDTC + 19” LCD Client – In Use80 W15 W LCD – In Use27 W per day2568 Wh1008 Wh

8. Virtual Desktop Power Utilisation - Comparison 2 8 | Global Technology Services PC + 19” LCDTC + 19” LCD Client – In Use80 W15 W LCD – In Use27 W 12 hrs per day1284 Wh504 Wh Client – Standby3.7 W13.5 W Monitor – Standby0.6 W 12 hrs per day51 Wh169 Wh Wh per client per day1335 Wh673 Wh Variables In-use hrs/day12

9. Virtual Desktop Power Utilisation - Comparison 2.1 9 | Global Technology Services PC + 19” LCDTC + 19” LCD Client – In Use80 W15 W LCD – In Use27 W 12 hrs per day1284 Wh504 Wh Client – Standby3.7 W13.5 W Monitor – Standby0.6 W 12 hrs per day51 Wh169 Wh Wh per client per day1335 Wh673 Wh Factored for PUE2136 Wh1077 Wh Variables In-use hrs/day12 Office PUE1.6

10. Virtual Desktop Power Utilisation - Comparison 2.2 10 | Global Technology Services PC + 19” LCDTC + 19” LCD Client – In Use80 W15 W LCD – In Use27 W 12 hrs per day1284 Wh504 Wh Client – Standby3.7 W13.5 W Monitor – Standby0.6 W 12 hrs per day51 Wh169 Wh Wh per client per day1335 Wh673 Wh Factored for PUE2136 Wh1077 Wh Server per client/day0 Wh513 Wh Factored for PUE0 Wh1539 Wh Client total per day2136 Wh2616 Wh Variables In-use hrs/day12 Office PUE1.6 Consolidation30:1 Datacentre PUE3.0

11. Virtual Desktop Power Utilisation - Comparison 2.5 11 | Global Technology Services PC + 19” LCDTC + 19” LCD Client – In Use80 W15 W LCD – In Use27 W 12 hrs per day1284 Wh504 Wh Client – Standby3.7 W13.5 W Monitor – Standby0.6 W 12 hrs per day51 Wh169 Wh Wh per client per day1335 Wh673 Wh Factored for PUE2136 Wh1077 Wh Server per client/day0 Wh513 Wh Factored for PUE0 Wh1539 Wh Client total per day2136 Wh2616 Wh Estate per annum3,118,560 kWh3,819,360 kWh Cost per annum£249,485£305,549 CO2 per annum1,631 t1,998 t Delta 700,800 kWh £56,064 367 t Variables In-use hrs/day12 Office PUE1.6 Consolidation30:1 Datacentre PUE3.0 Constants Client base4000 kWh cost8p t CO2 per kWh523 kg

12. Accelerating business innovation; a Technology Strategy Board programme More information See the GCN! web site, www.gridcomputingnow.org, for the full presentation and the recording of the webinar (under Events). We also have a Green IT special interest group as part of the GCN! activity.