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.
The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the communication protocols used in the Internet and similar computer networks according to functional criteria. Th
ARPANET
…Network (ARPANET) 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. Both technologies became the technical foundation of the Internet. The ARPANET was established by the Advanced Research Projects Agency…
An SRI International Packet Radio Van, used for the first three-way internetworked transmission
Diagram of the first internetworked connection. On a rainy Tuesday, November 22, 1977, data flowed from the van to SRI in Menlo Park and the University of Southern California via England, Boston, and Sweden across three types of networks: packet radio, the satellite network, and the ARPANET.