Defense Data Network


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Defense Data Network

Component of the Defense Communications System used for switching Department of Defense automated data processing systems. Also called DDN. See also Defense Communications System; Defense Switched Network.
References in periodicals archive ?
Did you know that CHIPS became the first electronic magazine when an ASCII text edition was mailed over the Defense Data Network (DDN) to 250 host administrators in 1987--preceding the World Wide Web by seven years?
CAISI operates over existing military communications networks, that is, Mobile Subscriber Equipment, the Tri-Service Tactical Communications System, Defense Data Network, Defense-switching Network, U.
While all that was merrily bubbling away, more and more people in the know were demanding to be allowed to use a government funded system known variously as ARPANET, the Defense Data Network and, finally, the Internet.
NSI also performs equipment installation and maintenance at 2500 "A" network customer sites nationwide for FTS 2000, (the Federal Government Telecommunications System), and provides a global network information center services for the Internet and the Defense Data Network.

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