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The Defense Information Infrastructure (DII)
|| encompasses information transfer and processing resources, including information and data storage, manipulation, retrieval, and display. More specifically, the DII is the shared or interconnected system of computers, communications, data, applications, security, people, training, and other support structure, serving the DOD's local and worldwide information needs. The DII (a) connects DOD mission support, command and control, and intelligence computers and users through voice, data, imagery, video, and multimedia services, and (b) provides information processing and value-added services to subscribers over the DISN. Unique user data, information, and user applications are not considered part of the DII.
|| is the seamless web of communications networks, computers, software, databases, applications, data, security services, and other capabilities that meets the information processing and transport needs of DoD users in peace and in all crises, conflict, humanitarian support, and wartime roles.
The DII encompasses:
|| (1) sustaining base, tactical, DoD-wide information systems, and Command, Control, Communications, Computers, and Intelligence (C4I) interfaces to weapons systems; (2) the physical facilities used to collect, distribute, store, process and display voice, data, and video; (3) the applications and data engineering tools, methods, and processes to build and maintain the software that allow Command and Control (C2), Intelligence, Surveillance, Reconnaissance and Mission Support users to access and manipulate, organize and digest proliferating quantities of information; (4) the standards and protocols that facilitate interconnection and interoperation among networks; and (5) the people and assets which provide the integrating design, management, and operation of the DII, develop the applications and services, construct the facilities, and train others in DII capabilities and use.
- ↑ OPSEC Glossary of Terms (full-text).
- ↑ DoD Instruction 5200.40, at 9-10 (E2.1.317).
- ↑ Capstone Requirements Document: Global Information Grid 70 (GIG) (JROCM 134-01) (Aug. 30, 2001) (unclassified) (full-text).