Term:Defense Information Systems Network
Defense Information Systems Network (DISN) - The DISN is an integrated network, centrally managed and configured, to provide telecommunications services for all DoD activities. This information transfer service is designed to provide dedicated point-to-point and switched voice, data, imagery, and video teleconferencing (VTC) services in support of national defense command, control, communications, and intelligence (C3I) decision support requirements. E2.1.9.
Defense Information Systems Network (DISN) - The DoD consolidated worldwide enterprise-level telecommunications infrastructure that provides the end-toend information transfer network for supporting military operations ( reference (a)). E2.1.4.
Defense Information Systems Network - As a subelement of the Defense Information Infrastructure, the Defense Information Systems Network is the Department of Defense's consolidated worldwide enterprise level telecommunications infrastructure that provides the end-to-end information transfer network for supporting military operations. It is transparent to its users, facilitates the management of information resources, and is responsive to national security and defense needs under all conditions in the most efficient manner. The Defense Information Systems Network is an information transfer network with value-added services for supporting national Defense C31 decision support requirements and Classified Military Information functional business areas. As an information transfer utility, the Defense Information Systems Network provides dedicated point-to-point, switched voice and data, imagery, and video teleconferencing communications services.