ARPANET
Videos
The Advanced Research Projects Agency Network was the first wide-area packet-switched network with distributed control and one of the first computer networks to implement the TCP/IP protocol suite. Bo
1969 ARPANET IMP
First ARPANET IMP log: the first message ever sent via the ARPANET, 10:30 pm PST on 29 October 1969 (6:30 UTC on 30 October 1969). This IMP Log excerpt, kept at UCLA, describes setting up a message transmission from the UCLA SDS Sigma 7 Host computer to the SRI SDS 940 Host computer
Internetworking demonstration, linking the ARPANET, PRNET, and SATNET in 1977
ARPANET and related projects. Figure from 1990.
DARPA
Videos
The Defense Advanced Research Projects Agency is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the mi
ARPANET
…networks to implement the TCP/IP protocol suite. Both technologies became the technical foundation of the Internet. The ARPANET was established by the Advanced Research Projects Agency (now DARPA) of the United States Department of Defense. Building on the ideas of J. C. R. Licklider, Bob Taylor initiated the ARPANET project in 1966…
Headquarters in Ballston in Arlington County, Virginia, in 2022
DARPA's former headquarters in the Virginia Square neighborhood of Arlington County, Virginia. The agency is currently located in a new building at 675 North Randolph St.
Robert L Sproul 1970
Portrait of Charles M. Herzfeld, Director of Defense Research and Engineering