What is the history of the internet?

Who discovered the Internet? What is the history of the Internet?

• i want to know from when this journey of internet started?how was the day of internet at the time of launching or starting?please make it really informative for us.

• Answer:

  In the late 1950's the Advanced Research Projects Agency (ARPA) was founded in the United States with the primary focus of developing information technologies that could survive a nuclear attack. (http://www.pbs.org/opb/nerds2.0.1/networking_nerds/coldwar.html )In 1967 ARPA university and private sector contractors met with representatives of the Department of Defense to discuss possible protocols for sharing information via computers. In 1969, two years before the calculator was introduced to consumers (http://www.netvalley.com/intval.html ) and the year after National Public Radio was established, the precursor of the Internet, ARPANET, was born. It connected four sites at the University of California at Los Angeles, the University of California at Santa Barbara, Stanford Research Institute, and the University of Utah. Throughout the 1970's researchers concentrated on developing protocols for controlling networks, moving messages across a system of networks, and allowing for remote access to the networks. There were computers connected at about two dozen sites when the first email was sent in 1972, but the number of sites and messages soon mushroomed. By 1975 there were 63 sites. In 1980, 200 host computers were connecting 20,000 people at university, military, and government locations. Twelve years later the number of hosts had grown to more than a million internationally (http://www.pbs.org/internet/timeline/ ), and in January of 1999 there were more than 43 million. (http://www.isoc.org/guest/zakon/Internet/History/HIT.html ) If the 1970's were a time of research, the 1980's were a time of development. The TCP/IP protocol was introduced in 1983, and at the University of Wisconsin the name server was developed. The next year domain name server (DNS) was established. In 1986, the National Science Foundation developed a system to connect the growing number of hosts. Regional networks were connected to a backbone network, which became known as the NSFNET. As the "Internet" continued to grow and prosper, ARPANET came to an end in 1989 (http://www.pbs.org/internet/timeline/ ) just before HTML protocol was introduced in 1990. HTML allowed graphics to be sent along with text to create hypertext pages customized to the sender's preference. (http://tdi.uregina.ca/~ursc/internet/history.htmlhttp://www.pbs.org/opb/nerds2.0.1/networking_nerds/coldwar.html ) Everything was now in place for explosive growth. For more details please view http://en.wikipedia.org/wiki/History_of_the_Internet