Thursday, May 10, 2012

HISTORY OF THE INTERNET

How did the internet originate?
The history of the internet dates back to the Cold War when the Americans and the Soviet Union were considered mortal enemies. The Soviet Union launced the first man-made satellite named Sputnik. In fear of the Soviet Union overtaking America launced the ARPA (Advanced Research Projects Agency). ARPA's purpose was to give the United States a technological edge over other countries. One important part of ARPA's mission was computer science. It enlisted the help of the company Bolt, Beranek and Newman (BBN) to create a computer network. The network had to connect four computers running on four different operating systems. They called the network ARPANET. This was the creation of the internet.

Who were the people responsible for creating it?
Leonard Kleinrock was the first to publish a paper about the idea of packet switching, which is essential to the Internet. J.C.R. Licklider was the first to describe an Internet-like worldwide network of computers, in 1962. He called it the "Galactic Network." Larry G. Roberts created the first functioning long-distance computer networks in 1965 and designed the Advanced Research Projects Agency Network (ARPANET), the seed from which the modern Internet grew, in 1966.

TCP and IP:
Transmission Control Protocol/Internet Protocol, connects hosts on the Internet. TCP/IP uses several protocols, the two main ones being TCP and IP. TCP/IP is built into the UNIX operating system and is used by the Internet, making it the perfect standard for transmitting data over networks. Even network operating systems that have their own protocols, such as Netware, also support TCP/IP.

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