Advanced Research Projects Agency Network
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Advanced Research Projects Agency Network[əd‚vanst ri′sərch ‚prä‚jeks ‚ā·jən·sē ‚net‚wərk]
The computer network developed by the U.S. Department of Defense in 1969 from which the Internet originated. Abbreviated ARPANET.
Advanced Research Projects Agency Network(networking)
(ARPANET) A pioneering longhaul wide area network funded by DARPA (when it was still called "ARPA"?). It became operational in 1968 and served as the basis for early networking research, as well as a central backbone during the development of the Internet. The ARPANET consisted of individual packet switching computers interconnected by leased lines. Protocols used include FTP and telnet. It has now been replaced by NSFnet.