DDN - Defense Data Network

DDNS - Dynamic Domain Naming System

DDP - Distributed Data Processing

DDP - Datagram Delivery Protocol

DDPM - Data Design Project Management

DDR - Data and Dimensionality Reduction

DDR-SDRAM - Double Data Rate-SDRAM

DDRS - Defense Data Repository System

DDS - Digital Dataphone Service

DDS - Design Data Sheet

DDS - Distributed Database Services

DDS - Digital Data Storage

DDS - Distributed Directory Service

DDX - Dialog Data Exchange

DDX - Digital Data Exchange

DE - Device End

DE - Debugging Extension

DE - Discard Eligibility

DEA - Data Encryption Algorithm

DEAL - Deductive Algebra

DEC - Device Clear

DEC - Decrement

DEC - Digital Equipment Corporation

DECB - Data Event Control Block

DECNET - Digital Equipment Corporation Networking