In 1994, there were 3,2 million hosts and 3,000 web-sites. Twelve months later the number of hosts had doubled and the number of web-sites had climbed to 25,000. By the end of the next year, the number of host computers had doubled again, and the number of web-sites had increased to over 200,000. In 1997, the number of host computers integrated in to the Web had reached 19.5 million, and the number of web-sites had reached 4.2 million.
TIMELINE
60?s
-1969- The Department of Defense Advanced Research Projects Agency (ARPA) creates an experimental network called ARPANET. This network provides a test-bed for emerging network technologies.
70?s
Networking tools are developed in the 70?s including:
-1972- The National Center for Supercomputing Applications (NCSA) develops the telnet application for remote login, making it easier to connect to a remote computer.
-The beloved @ symbol is born.
-1973- FTP (file transfer protocol) is introduced, standardizing the transfer of files between networked computers.
80?s
Several significant events happened in 1983, including:
-The TCP/IP suite networking protocols, or rules, becomes the only set of protocols used on the ARPANET. This decision sets a standard for other networks, and generates the use of the term ?Internet? as the network of networks which either use the TCP/IP protocols or are able to interact with TCP/IP networks.
-To keep military and non-military network sites separate, the ARPANET splits into 2 networks: ARPANET and MILNET.
-The first virus attacks.
In 1982, and 1983, the first desktop computers begin to appear. Many are equipped with an operating system called Berkeley UNIX, which includes networking software. This allows for easy connection to the Internet using telnet
The personal computer revolution continues through the 80?s, making access to computer resources and networked information increasingly available to the general public.
-1985-86: The National Science Foundation (NSF) connects the nation?s six super computing centers together. This network is called the NSFNET, or NSFNET backbone. As it appeared in 1993:
-1987- The NSF awards a grant to Merit Network, Inc. to operate and manage future development of the NSFNET backbone. Merit Network, Inc. collaborates with International Business Machines (IBM) Corporation and MCI Telecommunications Corporation to research and develop faster networking technologies.
-1989? The backbone network is upgraded to ?T1? which means that it is able to transmit data at speeds of 1.5 million bits of data per second, or about 50 pages of text per second.
90?s
-1990- The ARPANET is dissolved.
-1991- Gopher is developed at the University of Minnesota. Gopher provides a hierarchical, menu-based method for providing and locating information on the Internet. This tool makes using the Internet much easier.
-1993- The European Laboratory for Particle Physics in Switzerland (CERN) releases the World Wide Web uses hypertext transfer protocol (HTTP) and hypertext links, changing the way information can be organized, presented and accessed on the Internet.
-1993- The NSFNNET backbone network is upgraded to ?T3? which means that it is able to transmit data at speeds of 45 million bits of data per second, or about 1400 pages of text per second.
-1993- 1994- The graphical web browsers Mosaic and Netscape Navigator are introduced and spread through the Internet community. Due to their intuitive nature and graphical interface, these browsers make the WWW and the Internet more appealing to the public.
-1995- The NSFNET backbone is replaced by a new network architecture, called vBNS (very high speed backbone network system) that utilizes Network Service Providers, Regional networks and Network Access points (NAPs).
SUMMARY
The Internet has evolved through a series of advancements in networking and computer technologies. From its beginning in 1969, the ARPANET provided a test-bed for networking research and development. An important development that grew out of ARPANET was the TCP/IP protocols, which provided standard rules for networked computers to communicate with each other.
Other significant events included the introduction of the desktop computer, the development of networking tools such as telnet, FTP, gopher and WWW, and the release of graphical browsers. Advancements in networking enabled the NSFNET to upgrade its speed several times, allowing more and more connections.
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