The Internet was created in 1969 by scientists working for ARPA. ARPA stands for advanced research projects agency, and was formed to create a network of computers that could save information in the event of a nuclear attack. UCLA, Stanford Research Institute (SRI), UC Santa Barbara (UCSB), and the University of Utah in Salt Lake City were the first ARPANET locations. The ARPANET is what is now called the Internet. The plan was unprecedented: A professor at UCLA, and his small group of graduate students hoped to log onto the Stanford computer and try to send it some data. They would start by typing "login," and asking by telephone if the letters appeared on the far-off monitor. On their first attempt, the “L” and “O” were transmitted successfully, but after they typed the letter “G” the system crashed.
From 1969 to 1983 a lot of different packet switching schemes were tried and
TCP/IP is what grew OUT of ARPANET, not what started ARPANET. During most of the
seventies, the protocol was generally referred to as just the Network Control Protocol or NCP. The term Internet was probably first applied to a 1973 research program that culminated in a demonstration system in 1977. It demonstrated networking through various mediums, including satellite, radio, telephone, ethernet, etc. using packet switching. And this formed the roots of the Transmission Control Protocol and Internet Protocol (TCP/IP). But it was not until 1983 that all nodes on ARPANET were required to use TCP/IP to connect to it.
Also in 1983, the Department of Defense moved the unclassified portions of the Data Defense Network to create MILLET. Then in January 1983, the ARPA Internet first appears and operation was passed to the Defense Communications Agency.
The first operating, non-experimental, real live Internet with a capital network, was a military network with a couple of hundred computers connected to it. Universities... [continues]
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