350 The Green and Virtual Data Center
DCE Data communications equipment or distributed
computing environment
DCiE Data center infrastructure efficiency
DCPE Data center performance efficiency
DDR/RAM Double data rate random access memory
De-dupe De-duplication or elimination of duplicate data
DEFRA UK Department for Environment, Food, Rural
Affairs
Desktop Workstation or laptop computer, also known as a
PC
DFS Distributed file systems for distributed and shared
data access
DHCP Dynamic Host Configuration Protocol for net-
work management
DIO Direct input/output operations addressing spe-
cific storage addresses
Director Input/output and networking large-scale, multi-
protocol, resilient switch
DL Disk library used for storing backup and other
data, alternative ...