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Index 311

grid computing, 98. See also cloud I
computing
IBM
advantages of, 247
cloud computing and, 240
defined, 237
telecommuting at, 84
as distributed computing, 244-245
IBM Active Energy Manager. See AEM
virtualization and, 246-247
IBM SAN Volume Controller (SVC), 93-95
World Community Grid case study,
idle time power usage (SPEC metrics),
184-187
110-114
grid management of wind power, 263-264
in-row cooling solutions, 133
Grove Associates, 37, 39
incentives promoting energy efficiency,
13, 209
H
from electric utilities, 70-71
Hamilton, Victoria, 163 for data centers, 77-78
head (in hydroelectric power), list of, 74-76
defined, 256 PG&E example, 71-72
heat removal. See cooling systems rate-case incentives, 69-70, 73
Heiber, Gerald, 115 from EPA, 60-62
hierarchical storage, green IT An Inconvenient Truth (Gore), xxiv
checklist, 219 India case study, 196-203
High Performance Computing (HPC), 47, automation tools, 200
165-167 challenges faces, 196-198
High Tech Energy Efficiency Incentives data center build, 198-199
program, 74 data center consolidation, 199 ptg
high-efficiency power supplies, 34 disaster recovery, 201
high-voltage power distribution, 35 future projects, 203
Hind, Rick, 80 PC conversion to laptops, 201
history of LEED, 115-116 products uses, 200
Hot, Flat, and Crowded: Why We Need a results, 201-202
Green Revolution—and How It Can server consolidation, 199
Renew America (Friedman), xxiv, 281 virtualization, 200
HP case study (green computer indirect energy use reductions, 9
manufacturers), 82, 232-233 infrastructure for cloud computing,
HPC (High Performance Computing), 47, 244-245
165-167 Insight Control, 33
humidity, controlling in data centers, insolation, 273
136-137 installed capacity statistics, wind power,
hydroelectric power, 255-261 267-269
advantages of, 257-258 intelligent compression. See data
comparison with other generation deduplication
methods, 260 intermittency of wind power, 262-265
cost of generation, 254 ISPs (Internet service providers),
disadvantages of, 258-259 defined, 238
environmental impact of, 258-259 Istanbul, Turkey case study, 194-196
greenhouse gas emissions and, 257-259 IT costs, 5
population relocation and, 259 IT energy management, collaboration with
related activities surrounding, 258 building energy management, 42-43
small-scale plants, 256-257 IT energy-use metrics. See metrics
storage, 133 IT equipment, recycling, 82-83
worldwide production capacity, 261 IT greening, defined, 1. See also green IT
hydrogen-power fuel cells, 143