RDNRelative Distinguished Name
PCIPeripheral Component Interconnect / Presentation Context Identifier / Program Controlled Interruption / Personal Computer Interface / Protocol Control Information
DDCFDistributed Document Component Facility
NAUNetwork Access Unit / Network Addressable Unit
NINational ISDN (sometimes as NI-1) / Network Interconnect / Network Interface
VINVehicle Identification Number
IFRPSIntercity Facility Relief Planning System
NIITNational Information Infrastructure Testbed (coalition
IITFInformation Infrastructure Task Force
TTAPTrust Technology Assessment Program
SDCSoftware Distribution Center
PCOPeg Count and Overflow
SCTOSoft Carrier Turn-Off
NOTNation Of Thieves (usually as NOT!)