
Closing the Green Gap for IT Data Centers 23
creating one, some initial steps include identifying the many different
issues. Different issues have varying impacts and scope, depending on spe-
cific plan points or requirements along with several alternatives for address-
ing on a near-term tactical and longer-term strategic basis. Several
approaches are shown in Figure 1.5.
Figure 1.5 shows what I refer to as the PCFE wheel of opportunity.
The various tenets can be used separately or in combination to address
near-term tactical or long-term strategic goals. The basic premise of the
PCFE wheel is to improve energy efficiency, by doing more with less, and/ ...