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|History of computing|
|Timeline of computing|
|Glossary of computer science|
The history of the Internet has its origin in the efforts to build and interconnect computer networks that arose from research and development in the United States and involved international collaboration, particularly with researchers in the United Kingdom and France.
Computer science was an emerging discipline in the late 1950s that began to consider time-sharing between computer users, and later, the possibility of achieving this over wide area networks. Independently, Paul Baran proposed a distributed network based on data in message blocks in the early 1960s and Donald Davies conceived of packet switching in 1965 at the National Physical Laboratory (NPL) and proposed building a national commercial data network in the UK. The Advanced Research Projects Agency (ARPA) of the U.S. Department of Defense awarded contracts in 1969 for the development of the ARPANET project, directed by Robert Taylor and managed by Lawrence Roberts. ARPANET adopted the packet switching technology proposed by Davies and Baran, underpinned by mathematical work in the early 1970s by Leonard Kleinrock at UCLA. The network was built by Bolt, Beranek, and Newman.
Early packet switching networks such as the NPL network, ARPANET, Merit Network, and CYCLADES researched and provided data networking in the early 1970s. ARPA projects and international working groups led to the development of protocols for internetworking, in which multiple separate networks could be joined into a network of networks, which produced various standards. Bob Kahn, at ARPA, and Vint Cerf, at Stanford University, published research in 1974 that evolved into the Transmission Control Protocol (TCP) and Internet Protocol (IP), the two protocols of the Internet protocol suite. The design included concepts from the French CYCLADES project directed by Louis Pouzin.
In the early 1980s, the National Science Foundation (NSF) funded national supercomputing centers at several universities in the United States, and provided interconnectivity in 1986 with the NSFNET project. Thus creating network access to these supercomputer sites for research and academic organizations in the United States. International connections to NSFNET, the emergence of architecture such as the Domain Name System, and the adoption of TCP/IP internationally on existing networks marked the beginnings of the Internet. Commercial Internet service providers (ISPs) began to emerge in the very late 1980s. The ARPANET was decommissioned in 1990. Limited private connections to parts of the Internet by officially commercial entities emerged in several American cities by late 1989 and 1990. The NSFNET was decommissioned in 1995, removing the last restrictions on the use of the Internet to carry commercial traffic.
Research at CERN in Switzerland by British computer scientist Tim Berners-Lee in 1989–90 resulted in the World Wide Web, linking hypertext documents into an information system, accessible from any node on the network. Since the mid-1990s, the Internet has had a revolutionary impact on culture, commerce, and technology, including the rise of near-instant communication by electronic mail, instant messaging, voice over Internet Protocol (VoIP) telephone calls, video chat, and the World Wide Web with its discussion forums, blogs, social networking services, and online shopping sites. Increasing amounts of data are transmitted at higher and higher speeds over fiber-optic networks operating at 1 Gbit/s, 10 Gbit/s, or more. The Internet's takeover of the global communication landscape was rapid in historical terms: it only communicated 1% of the information flowing through two-way telecommunications networks in the year 1993, 51% by 2000, and more than 97% of the telecommunicated information by 2007. The Internet continues to grow, driven by ever greater amounts of online information, commerce, entertainment, and social networking services. However, the future of the global network may be shaped by regional differences.
- "The Computer History Museum, SRI International, and BBN Celebrate the 40th Anniversary of First ARPANET Transmission, Precursor to Today's Internet". SRI International. October 27, 2009. Archived from the original on March 29, 2019. Retrieved September 25, 2017.
But the ARPANET itself had now become an island, with no links to the other networks that had sprung up. By the early 1970s, researchers in France, the UK, and the U.S. began developing ways of connecting networks to each other, a process known as internetworking.
- by Vinton Cerf, as told to Bernard Aboba (1993). "How the Internet Came to Be". Archived from the original on September 26, 2017. Retrieved September 25, 2017.
We began doing concurrent implementations at Stanford, BBN, and University College London. So effort at developing the Internet protocols was international from the beginning.
- Hauben, Ronda (May 1, 2004). "The Internet: On its International Origins and Collaborative Vision A Work In-Progress". Retrieved September 25, 2017.
- Kim, Byung-Keun (2005). Internationalising the Internet the Co-evolution of Influence and Technology. Edward Elgar. pp. 51–55. ISBN 978-1845426750.
- Turing's Legacy: A History of Computing at the National Physical Laboratory 1945–1995, David M. Yates, National Museum of Science and Industry, 1997, pp. 126–146, ISBN 0901805947. Retrieved 19 May 2015.
- "Data Communications at the National Physical Laboratory (1965–1975)", Martin Campbell-Kelly, IEEE Annals of the History of Computing, Volume 9 Issue 3–4 (July–Sept 1987), pp. 221–247. Retrieved 18 May 2015.
- "A Flaw In The Design". The Washington Post. May 30, 2015.
Historians credit seminal insights to Welsh scientist Donald W. Davies and American engineer Paul Baran
- Press, Gil. "A Very Short History Of The Internet And The Web". Forbes. Retrieved January 30, 2020.
- "The internet's fifth man". The Economist. November 30, 2013. ISSN 0013-0613. Retrieved April 22, 2020.
In the early 1970s Mr Pouzin created an innovative data network that linked locations in France, Italy and Britain. Its simplicity and efficiency pointed the way to a network that could connect not just dozens of machines, but millions of them. It captured the imagination of Dr Cerf and Dr Kahn, who included aspects of its design in the protocols that now power the internet.
- "The Untold Internet". Internet Hall of Fame. October 19, 2015. Retrieved April 3, 2020.
many of the milestones that led to the development of the modern Internet are already familiar to many of us: the genesis of the ARPANET, the implementation of the standard network protocol TCP/IP, the growth of LANs (Large Area Networks), the invention of DNS (the Domain Name System), and the adoption of American legislation that funded U.S. Internet expansion—which helped fuel global network access—to name just a few.
- "Study into UK IPv4 and IPv6 allocations" (PDF). Reid Technical Facilities Management LLP. 2014.
As the network continued to grow, the model of central co-ordination by a contractor funded by the US government became unsustainable. Organisations were using IP-based networking even if they were not directly connected to the ARPAnet. They needed to get globally unique IP addresses. The nature of the ARPAnet was also changing as it was no longer limited to organisations working on ARPA-funded contracts. The US National Science Foundation set up a national IP-based backbone network, NSFnet, so that its grant-holders could be interconnected to supercomputer centres, universities and various national/regional academic/research networks, including ARPAnet. That resulting network of networks was the beginning of today’s Internet.
- "So, who really did invent the Internet?" Archived 3 September 2011 at the Wayback Machine, Ian Peter, The Internet History Project, 2004. Retrieved 27 June 2014.
- Zakon, Robert (November 1997). RFC 2235. IETF. p. 8. doi:10.17487/RFC2235. Retrieved December 2, 2020.
- "The First ISP". Indra.com. August 13, 1992. Archived from the original on March 5, 2016. Retrieved 2015-10-17.
- Couldry, Nick (2012). Media, Society, World: Social Theory and Digital Media Practice. London: Polity Press. p. 2. ISBN 9780745639208.
- "The World's Technological Capacity to Store, Communicate, and Compute Information", Martin Hilbert and Priscila López (2011), Science, 332(6025), pp. 60–65; free access to the article through here: martinhilbert.net/WorldInfoCapacity.html
- The Editorial Board (October 15, 2018). "There May Soon Be Three Internets. America's Won't Necessarily Be the Best. – A breakup of the web grants privacy, security and freedom to some, and not so much to others". The New York Times. Retrieved October 16, 2018.