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 ?
Williamson also managed the Defense Data Network NIC and Cellular Digital Packet Data NIC and co-founded Two5, Inc.
BBN Technologies also designed, built and operated the Defense Data Network.
Since communications is such an important part of SIMS, plans call for linking all SIMS sites to the Defense Data Network (DDN).

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