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ARPANET access points in the 1970s. The Advanced Research Projects Agency 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 ...
Larry Roberts (December 21, 1937 – December 26, 2018) was an American computer scientist and Internet pioneer.. As a program manager and later office director at the Advanced Research Projects Agency, Roberts and his team created the ARPANET using packet switching techniques invented by British computer scientist Donald Davies and American engineer Paul Baran.
Robert William Taylor (February 10, 1932 – April 13, 2017), known as Bob Taylor, was an American Internet pioneer, who led teams that made major contributions to the personal computer, and other related technologies. He was director of ARPA 's Information Processing Techniques Office from 1965 through 1969, founder and later manager of Xerox ...
Ray Tomlinson. Raymond Samuel Tomlinson (April 23, 1941 – March 5, 2016) was an American [1][2][3][4] computer programmer who implemented the first email program on the ARPANET system, the precursor to the Internet, in 1971; [5][6][7][8] It was the first system able to send mail between users on different hosts connected to ARPANET.
The ARPANET pioneered the creation of novel encryption devices for packet networks in the 1970s and 1980s, and as such were ancestors to today's IPsec architecture, and High Assurance Internet Protocol Encryptor (HAIPE) devices more specifically. DuPont and Fidler provide a historical perspective of ARPANET encryption devices in the broader ...
Tomlinson's program was an immediate hit. An ARPA study in 1973, a year after network email was introduced to the ARPANET community, found that three-quarters of the traffic over the ARPANET consisted of email messages. [82] [83] [81]
Interface Message Processor. block. The Interface Message Processor (IMP) was the packet switching node used to interconnect participant networks to the ARPANET from the late 1960s to 1989. It was the first generation of gateways, which are known today as routers. [1][2][3] An IMP was a ruggedized Honeywell DDP-516 minicomputer with special ...
Sara Elizabeth Cowles. . . (m. 1966) . David Corydon Walden (June 7, 1942 – April 27, 2022) was an American computer scientist and Internet pioneer who contributed to the engineering development of the ARPANET, a precursor of the modern Internet. He specifically contributed to the Interface Message Processor, which was the packet switching ...