Defense Data Network

The Defense Data Network (DDN) was a computer networking effort of the United States Department of Defense from 1983 through 1995.[1] It was based on ARPANET technology.

  1. ^ John Pike, Maintained by Steven Aftergood (February 11, 2000). "Defense Data Network (DDN), Defense Secure Network (DSNET)". Federation of American Scientists. Archived from the original on December 10, 2010. Retrieved April 9, 2011.