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The Greening of IT
296 How Companies Can Make a Difference for the Environment

LEED (Leadership in Energy and Environmental Design)
A Green Building Rating System, developed by the U.S. Green Building
Council (USGBC), which provides a suite of standards for environmen-
tally sustainable construction.

Liebert Corporation
An American manufacturer of environmental, power, and monitoring
systems for mainframe computer, server racks, and critical process sys-
tems. Liebert is an Emerson Network Power Company.
LPAR (Logical Partition)
A subset of a computer’s hardware resources, virtualized as a separate
computer.
MIB (Management Information Base)
A MIB stems from the OSI/ISO network management model and is a
type of database that manages the devices (such as routers and switches)
in a communications network.

Moore’s Law
Describes a long-term trend in the history of computing hardware. Since ptg
the invention of the integrated circuit in 1958, the number of transis-
tors that can be placed inexpensively on an integrated circuit has
increased exponentially, doubling approximately every two years. The
trend was first observed by Intel cofounder Gordon E. Moore in a 1965
paper. It has continued for almost half of a century and is not expected
to stop for another decade at least and perhaps much longer.
MW (Megawatt)
One million watts of electical power.
NAGIOS
A popular open source computer system and network monitoring applica-
tion software that watches hosts and services, alerting users when things go
wrong and again when they get better (http://www.nagios.org/).
NEDC (New Enterprise Data Center)
A concept announced by IBM in 2008 that is a vision for energy-
efficient data centers based on lessons learned from working with cus-
tomers on hundreds of data centers on best-practice ways to approach
energy efficiency for both existing and new data centers.
NYSERDA (New York State Energy Research and Development Authority)
A public benefit corporation created in 1975. NYSERDA’s earliest efforts
focused solely on research and development with the goal of reducing the