Brief History of the Internet and the World Wide Web

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The roots of the Internet go back to the 1960s and the height of the cold war. The U.S. military, in preparation for a possible nuclear war, sought a means to ensure communications in the event of an enemy missile attack. The communications network would need to be able to withstand large-scale destruction, yet deliver uninterrupted service.

The primary problem with the existing system was that a direct hit on a central point of control would disable the entire network. The RAND Corporation came up with the idea of building a network without a central point of control. In this way, the system would not be vulnerable to a direct hit on a single location.

To accommodate this requirement, a network was devised that allowed data to flow around downed lines and destroyed components. A special communication standard, called TCP/IP, (Transmission Control Protocol/Internet Protocol), was designed to direct the flow of data between computers on the network and around possibly damaged sections of the network. Thus, TCP/IP increased the survivability and reliability of the network, even in the case of war

In 1969, a group of Department of Defense researchers working for the Advanced Research Projects Agency linked computers at UCLA, Stanford Research Institute, the University of Utah, and the University of California at Santa Barbara to create the network. The message, "Are you receiving this?" was successfully sent from Boutler Hall at UCLA across the network to the other computers. The non-centralized networked was born and dubbed ARPANET (Advanced Research Projects Agency Network).

At first, the military researchers used ARPANET to discuss government projects, sending electronic messages (email) across the network. However, these researchers soon discovered that email was a very convenient way to discuss topics far outside even the most liberal interpretations of research-related actives. They created email programs that automatically sent the same message to everyone on a list. Email lists, or list servers, enabled entire groups of like-minded researchers to share their interests.

Howard Rheingold, in The Virtual Community, records that "The first large list, the first to foster its own cultureÖwas SF-LOVERS, a list of ARPA researchers who wanted to participate in public discussions about science fictionÖIt is to the credit of the top ARPA managers that they allowed virtual communities to happen, despite pressure to reign in the netheads when they seemed to be having too much fun. The system engineers redesigned the system again and again to keep up with explosive growth in networked communications traffic."

The original APRANET community grew from 4 institutions in 1969 to more than 50 universities and military agencies by 1972. The ability of APRANET users to interact and share the latest information was driving ever greater use of the network. Non-military scientists were pressuring for access to the network too but ARPANETís acceptable use policy prohibited those outside the military establishment from using it. So, in 1983, ARPANET split into two networks; one to handle all scientific traffic and another, MILNET, to carry just military information.

At about the same time, a group of programmers at the University of California created an operating system (the master program that runs the computer) called Berkeley UNIX, with built-in TCP/IP networking. Berkeley UNIX suddenly made it possible for computers around the world to exchange information easily. Large networks, like BITNET, sprang up to serve scholarly and academic uses outside of just the traditional sciences.

These large networks, along with many small local networks, were woven and interconnected using Berkeley UNIX into a network of networks. Early on in the 1980ís, this collection of networks was called the APRA Internet, but it eventually became known as just the Internet.

In the 1986, the National Science Foundation established the NSFNET to link supercomputers at high speed. NSFNET became the backbone of the Internet, offering transmission speeds of a million-bits-per-second rate. The acceptable use policy was further expanded to include almost everything except commercial activity.

The origins of the World Wide Web came about in March 1989, when Tim Berners-Lee of the European Particle Physics Laboratory (known as CERN, a collective of European high-energy physics researchers) proposed a project to be used as a means of sharing research colleagues in the organization. The project was envisioned to include a system of networked hypertext documents to be transmitted among members of the high-energy physics community. By the end of 1990, the first piece of Web software was developed with the ability to view, edit, and send hypertext documents to colleagues via the Internet. The Web was born.

In 1991, the U.S. Congress passed the High Performance Computing Act to establish the National Research and Education Network (NREN). The goals of NREN were to experiment and establish high-speed, high-capacity research, education networks, and to not only allow commercial activity on the Internet but to find ways to encourage it.

Although the commercial restrictions on the Net where effectively removed by the 1991 act, it remained primarily a tool for researchers and academics because of the complexity in using it for communications. However, in June of 1993 Marc Andreessen, and other researchers at the National Center for Supercomputing Applications (NCSA), released a graphical Web Browser - Mosaic 1.0 for X Windows. It was soon followed by a version that would run on Microsoft Windows -- the dominant desktop operating system.

In 1994, Andreessen left NCSA to form a new corporation with Jim Clark. The company created a much easier-to-use and faster Web browser called Netscape Navigator. The general public went wild over Navigator, making Netscape Communications the fastest growing software company in history. Business, sensing the opportunity, began a mad rush to establish a "presence" on the Web.

Before long, one couldn't listen to a radio, watch TV, read a magazine, or glance at a newspaper without being inundated with information about the growth and potential commercial opportunities of the World Wide Web. People and companies were signing up by the millions, with Internet service providers, to gain access to the Web. They wanted to participate in this new global communication feast. The Web soon became the dominant service, with the exception of email, on the Internet.

By late 1996, the Web began making it into family rooms in the form of Web TVs. In the form of add-boxes or built-in features, the Web was fast becoming a part of our everyday lives.



This has been brief overview of the Internet and the Web. For additional details on the origin and nature of these subjects, please peruse the following links: 

A Little History of the World Wide Web from the people who invented it.

History of the Internet [pbs.org] from the PBS series "Life on the Internet."

History of the Internet and World Wide Web is a great collection of links to the history of the Internet and WWW.

Hobbes' Internet Timeline traces the events that lead to today's Net.

Internet Background and Basics is an annotated collection of links to resources on the background of the Internet.