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The Greening of IT
xx How Companies Can Make a Difference for the Environment
Appendix A ■ Green IT Checklist and Recommendations 215
A Green IT Checklist 215
Tips on Creating Sustainable Data Centers (Dave Anderson) 215
Tools and Information to Help with Green IT 225
DOE DC Pro Tool 225
Carbon Footprint Tool 225
ASHRAE Information 225
Server Power Calculator Tools 225
NYSERDA Clean Power Estimator 225
Worldwide Electricity Used in Data Centers 226
IT Power Management with the Active Energy Manager
(AEM) Tool 229
Overview 229
How Active Energy Manager Works and the Benefits 229
Integration of Energy and Systems Management 231
Computer Manufacturers and Green Computing 232
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HP Green Computing 232
Sun Green Computing 233
Chip Technology and Green IT 234
Energy Efficiency for Computer Networks 234
Appendix B ■ Green IT and Cloud Computing 237
Cloud Computing, Both Public and
Private Possibilities 238
Business and Technology Drivers for
Cloud Computing 241
Types of Cloud Computing Offerings 242
Conceptual Architecture and Infrastructure for
Cloud Computing 244
The Ultimate in Server and Data Storage
Virtualization 246
Potential Advantages 247
References 248