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  • Who Invented the Internet?


    Despite Al Gore’s claims to the contrary, the Internet was not originally invented by or created by a single person. The Internet as we know it today is a combination of a number of concepts that have ultimately been merged together to provide the service. Tim Berners-Lee (or Sir Timothy John Berners-Lee as officially known in the UK), is a British computer scientist who is credited with inventing the World Wide Web. First proposed in March 1989 and later implemented on Christmas Day, 1990 with the assistance of Robert Cailliau and a CERN student, he was able to implement the first communication between a client and server using the HTTP (Hypertext Transfer Protocol) on the Internet. To get to this point; however, required a significant amount of work by other academics, researchers, and organizations in the underlying technologies that now comprise the web.

    Who Thought of the Internet First?

    Leonard Kleinrock is credited with crafting the first public concept for the Internet with his paper, “Information Flow in Large Communication Nets” on May 31st, 1961. Dr. Kleinrock’s work in this timeframe (which comprised his PHD work at MIT) was to establish the mathematical theory of packet-based networks. In the same timeframe, J.C.R. Licklider would become the head of the Information Processing Techniques Office (IPTO) United States Department of Defense Advanced Research Projects Agency or at DARPA. He would provide his vision or dream of a world-wide network and would provide the vision that would later become ARPANET. Since Licklider was not an experienced computer programmer; however, he would recruit Lawrence Roberts to lead the team that would eventually create and deploy ARPANET in 1967. Roberts would be the first scientist or engineer to implement the packet switching network that Kleinrock first created. This form of packet switching is still used as the primary means of transferring information to this day on the web.

    Origins of ARPANET

    Over the 1960s, ARPA and the Massachusetts Institute of Technology (MIT) corroborated to share technology and research information. Ivan Sutherland and Bob Taylor would perform a lot of the precursor work to the ARPANET by connecting separate computers via phone network with researchers in Santa Monica, University of California at Berkeley, and MIT. In 1966, Larry Roberts from MIT would introduce the ARPANET which would allow computers to be linked over long distances. In 1969, colleges were permitted to become a part of the network nodes with UCLA and Stanford being early adopters. The network was further expanded in 1971 and by 1973 had a node in London.

    Early Networking Equipment

    On August 29, 1969 the first network switch was sent to UCLA for use and was called an IMP (Interface Message Processor). The first data was moved to the switch from the UCLA host on September 2nd, 1969.  The IMP’s were developed by BBN technologies under contract to ARPA with the team led by Frank Heart. The IMPs were designed to function as gateways with the purpose to connect local resources. At each deployment site, the IMPs would conduct storage and forwarding of packet switching functions. The devices were connected via modems that were connected through leased phone lines running at an initial speed of 50 kbit/second. The host computers at each location were then connected to the IMPs via serial communication interfaces. The design to implementation of the IMPs was accomplished in just 9 months. The first IMPs made use of a Honeywell DDP-516 computer that was configured with 24KB of expandable core memory along with a 16 channel DMC (Direct Multiplex Control) direct memory access unit. The purpose of the DMC was to establish a communications interface between the host computer and modem. The early IMPs could support up to four local computer hosts and support communications with up to six remotely located IMPs.

    Deploying ARPANET

    In the initial deployment of ARPANET there were four IMPs. These were sent to UCLA, Stanford, University of California at Santa Barbara (UCSB), and the University of Utah. The first message transmitted on the ARPANET was sent at 10:30 PM / 2230 by UCLA student Charley Kline from Boelter Hall. Under the supervision of Leonard Kleinrock, he transmitted from the SDS Sigma 7 Host computer to the Stanford Research Institute’s SDS 940 Host computer. His message text was intended to be “login” by the system crashed after the letters “lo” were sent. As a result, the first message transmitted on ARPANET was “lo.” Approximately one hour later after recovering from the crash, a full “login” message was sent. The first permanent ARPANET link would be established on November 21st, 1969 between UCLA and the Stanford Research Institute. On December 5th, 1969 the entire four-node network would be established.

    Development of Email

    Often overshadowed by the development of ARPANET, the first use of network email occurred in 1972 by Ray Tomlinson. In 1968, Tomlinson was working for the U.S. Defense Department as a computer engineer. He first developed an application called SNDMSG whose purpose was to allow ARPANET users to relay messages. At first, the application was only used to allow communications between users of the same computer. The transfer protocol, CYPNET, was used as an enabler in the SNDMSG application. This would allow SNDMSG to send and receive email to any computer connected to the ARPANET. In order to extend the addressing to the network, Tomlinson picked the “@” symbol to combine user names and the host names. This resulted in the notation of “user@hostname” that is still used to this day for email addressing. The first email message that Tomlinson sent was “QWERTYUIOP.” The program has very basic functionality; but was the origin of the email transactional model that continues to be used today. The service would then be connected to the File Transfer Protocol (FTP). Later, this would evolve to being replaced by the Simple Mail Transfer Protocol (SMTP). The FTP service continues to be used today for downloading and uploading files on the Internet and local networks. MIT developed a similar message sending system in 1961 with the Compatible Time Sharing System (CTSS). CTSS allowed users to collect and share files while on the network. SNDMSG would be the first application to send messages between users on different computer networks.

    Combining Individual Networks

    After the deployment of ARPANET, a number of different networks started to be deployed around the world to include NPL, Merit Network, and CYCLADES. With so many different networks and networking methods emerging, there became a need for an underlying technology to connect or unify them. Robert E. Kahn from DARPA and ARPANET would recruit Vinton Cerf from Stanford to work on the problem. In 1973, the design of TCP resulted and would be published along with the assistance of Yogen Dalal and Carl Sunshine in December of 1974 as RFC 675, Specification of Internet Transmission Control Protocol. This key advance in networking technology would permit the difference in network protocols to be hidden by using a common internetwork protocol. TCP would also shift the responsibility for network reliability to the hosts vice with the network. This RFC would also contain the first use of the term “internet” as shorthand for “internetworking” and was used as an adjective. DARPA would go on to fund development of follow-on prototype software and on November 22nd, 1977 a three network demonstration was conducted between the Packet Radio Network, the Atlantic Packet Satellite network, and ARPANET. TCP/IP would emerge in mid-1978 and be published as standards 791, 792, and 793 in 1981.On January 1st, 1983, TCP/IP would become the only approved protocol to be used on ARPANET supplanting the previously used NCP protocol.

    What was the First Commercial Network?

    The first commercial version of ARPANET produced was Telnet which was introduced in 1974. Telnet is considered by many to be the first Internet Service Provider (ISP), although the term was not used at the time. Telnet is now known as a client-server protocol that is based on a reliable connection-orientated transport. It is used to establish a TCP connection via port 23 that has a Telnet server application waiting to receive incoming transmissions. Before the advent of TCIP/IP, the service was run using the Network Control Program (NCP) protocol and was not based on a RFC definition. Since that time, there have been a number of extensions to Telnet developed which have become international standards (IETF STD 27 through STD 32).

    When Was Ethernet Developed?

    Robert Metcalf is credited with developing Ethernet while at Xerox PARC between 1973 and 1974. The idea was first documented in a memorandum that Metcalf published on May 22nd, 1972. In 1974, Xerox filed a patent application that listed David Boggs, Chuck Thacker, Metcalfe, and Butler Lampson as the inventors. Ethernet is considered to be a family of networking technologies applicable for local networks and would later be introduced commercially in 1980 and is now standardized in IEEE 802.3. When systems or computer communicate over Ethernet, a stream of information is divided into individual packets that are referred to as frames. Each of the frames contains a destination and source address along with error checking data to ensure reliable delivery of information with an original data rate of 10 megabits per second. With succeeding improvements in twisted pair development, deployment of fiber optic links, and hubs and switches, these rates have increased to 100 gigabits per second.

    When Was DNS Invented?

    Prior to the invention of DNS in 1982, ARPANET made use of a hosts.txt file to lookup a simpler version of a computer host’s numerical address on a network. The hosts.txt file was retrieved from a computer at RI. As the number of computer hosts continued to grow; however, the use of the hosts.txt file quickly became unmanageable and could not scale. As a result, Paul Mockapetris invented the Domain Name System (DNS) and wrote the first implementation. DNS is designed to be a hierarchical, distributed naming system that can be used on private or distributed networks. In essence, it serves as a “phone book” for translating hostnames into IP addresses.  In 1984, the first UNIX implementation referred to as BIND was created by four Berkeley students; David Riggle, Mark Painter, Douglas Terry, and Songnian Zhou. BIND would be refined and maintained since then and was later ported to Windows NT in the early 1990s.  Today, DNS makes it possible for naming conventions to remain consistent despite changing in routing configurations or arrangements.

    ARPANET Evolution

    ARPANET would be connected to the Norwegian Seismic Array, or NORSAR, in 1973 making Norway the first country outside of the United States to connect to the network. Soon after, a London IMP was added and in 1975 ARPANET was declared operational. When this occurred, the Defense Communications Agency took control of the network. Then, in 1983 ARPANET was split between MILNET (for military use) and civilian use. Gateways were used to relay email between the two networks and MILNET would later become the NIPRNet that is still used today. On February 28th, 1990, ARPANET would be formally decommissioned.

    The Impact of HTML

    Like many of the great inventions we enjoy today, HTML was developed by Tim Berners-Lee while working in the computer services section of CERN out of the need to collaborate amongst other particle physics researchers. In 1989, he had the idea of trying to enable researchers located at remote sites in the world by allowing them to pool and organize information by linking the text in the files together. Berners-Lee had previously worked on document production and text processing before arriving at CERN having produced the hypertext system, “Enquire,” in 1980 for his personal use. He would then produce a prototype Web browser on the NeXT computer in 1990.

    The HTML markup invented by Berners-Lee had a significant grounding in SGML (Standard Generalized Mark-Up), that was an internationally agreed upon method for marking text up into structural units (paragraphs, headings, lists, etc.). The primary idea of using a markup was that the language was independent of the formatter. HTML like SGML made use of pair tags such as the opening and closing tags: <TITLE> </TITLE>. Other elements of SGML that he used were the paragraph, heading, and both ordered and unordered lists amongst others. SGML did not include hypertext links with anchor elements which were purely Berners-Lee’s invention along with the www.sitename.name syntax for addressing sites on the Internet. By basing HTML on SGML which was already widely accepted, HTML was able to gain acceptance by the remainder of what would become the Internet community. He would then introduce the World Wide Web to the public on August 6th, 1991 and release HTML for public use.

    The Turning Point for the Internet

    A significant turning point for the widespread adoption of the Internet or World Wide Web came with the release of the Mosaic web browser in 1993. Mosaic was a graphical browser developed by a team at the National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign (NCSA-UIUC). The funding for development of the browser came from the High Performance Computing Act of 1991 which is also known as the “Gore Bill.” Although Gore’s claims regarding his role in the “invention” of the Internet have been light a fair bit across the open press, he is credited with coining the term the “Information Superhighway.” Mosaic would later be superseded by Netscape Navigator in 1994 which would hold the title as the world’s most popular web browser for a number of years until supplanted by Microsoft’s Internet Explorer.

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    27 comments
    1. Zyggy

      10 March, 2013 at 3:48 am

      There is a different “reinance” of the worlds knowledge parting of this invredible TOOL, but.
      Let us hope that it will not actually convert this world into “slaves” if the governments, aquire CONTROL of oure life and privacy..
      Thank God it was made as a free acces, (for the moment) no doubt governments will try to TAX the usage, and aquire and control of all our personal FREEDOM,
      If so we will become as the picture of the green pastries, remember when destiny will reach us!
      Be ware and let Us protect the privacy of oure messages!,

      Reply
    2. Mike Lee

      14 December, 2011 at 7:14 am

      silly little boy invented the internet, ha ha ha 

      Reply
      • `nidhi jain

        6 October, 2012 at 9:24 am

        thanks to the inventors of internet..I cannot think of a world without internet…

        Reply
    3. MishyB

      17 July, 2011 at 8:48 am

      I invented the internet!! It had begun with a simple router connecting computers together, but Al gore and his scientists stole the idea and expanding it so it would not have one single access point for the world. It had been my idea to link computers to buildings, to local governments to the world; but at one area where it could be monitored in order to make it unhackable so no-one would have any personal information stolen. The benefit of this idea, unlike the internet, is that it would be FREE! All you would need is a cable and access points connected to your street, which is connected to the area, which is connected to your country which is connected to the world! I had been banned from US Government grant research department and would never be able to put my name anywhere on the internet ever again.

      (btw, this is all rubbish ;p)

      Reply
    4. Don

      8 June, 2011 at 11:10 pm

      Are you familiar with the IBM Information Network that became the IBM Global Network and eventually another ISP?  In the 1985 Marketing Guide it included the statement that anything that can be recorded electronically can be delivered electronically. The marketing strategy was to connect IBM customers and suppliers to IBM’s network for Electronic Business. Once they were conected for IBM to many, the next step was any to any. Scanned pages from that document are online. It sure seems that the IBM Information Network Electronic support architecture and strategy was basically the invention of the Internet Business model. When you consider IP to be like concrete, then any technology could work for the electronic highway. When you consider that millions of networks existed while IP was being invented, then any protocol could work.  IP just won the protocol war.  Isn’t it fair to say that the 1985 IBM Information Network Marketin guide is basically the closest thing there is to having an Internet marketing guide?

      Reply
    5. Gushwa

      9 May, 2011 at 3:08 pm

      Why, Al Gore Invented the internet, Everybody knows that!!:))

      Reply
    6. suvarna

      7 May, 2011 at 5:28 pm

      Thanks to the inventors of internet.I cannot think of a world without net.

      Reply
    7. sumguy

      4 May, 2011 at 7:59 pm

      Was the internet created or discovered?

      Reply
      • memenode

        5 May, 2011 at 11:37 pm

        It was created. Only natural phenomenon and principles are discovered.

        Reply
    8. koma

      22 April, 2011 at 6:18 am

      How can I site this article?

      Reply
    9. stefan

      15 April, 2011 at 12:37 pm

      internet sucks, it ruins your life. it is evil. video games are the same. i am just a kid and i have realized it. i am only of 13 years of age in melbourne australia and thumb me down or thumb up this comment as much as you want. it doesn’t change what is really inside the message. think about what is truly important. you have to figure it out on your own for what that is. 

      P.S it is basically the almighty lord God Jesus Christ – he is important.

      Reply
    10. Derpper

      14 April, 2011 at 9:17 am

      I just read an article that claimed the internet was invented by a britt… Give them a few years, and they will claim the Britts were the first to step on the moon..

      Reply
    11. vczx

      7 April, 2011 at 2:48 pm

      thank you
       

      Reply
    12. hazellovescoke

      6 March, 2011 at 4:14 pm

      OMG my hero , the person who invented the nternet ,  spend about 11 hours a day on the internet so THANK U !!

      Reply
    13. Zayn Alsaad

      28 February, 2011 at 10:53 am

      I love the person who invented the internet

      Reply
    14. prawnZ'orZ

      31 January, 2011 at 7:51 pm

      no netz = no pr0n.  sad day indeed.  thank you arpanet for giving us 1337 and pr0n

      Reply
    15. nandini maheshwari

      28 January, 2011 at 6:31 pm

      without internet nothing can happen. Live a life without internet ,is like live without water

      Reply
    16. danfus

      19 January, 2011 at 7:37 pm

      if there was no net…there wouldnt be pretty pics of ladies 🙁

      Reply
      • mike

        20 January, 2011 at 2:22 am

        lolzzz, p0rn000

        Reply
    17. TKS

      8 January, 2011 at 11:16 am

      no matter who invented the internet, we just really need to thank to that person..THANK YOU..i hope everyone will used internet for beneficial purpose..ENJOY..

      Reply
    18. carol

      19 December, 2010 at 5:48 pm

      wow! I thought Internet was invented around ten years ago, now can’t live without Internet is so amazing Internet is a necessity today.

      Reply
    19. Greg

      19 December, 2010 at 5:06 pm

      You may even use the Internet to find that Al Gore never said he ‘invented’ it.

      Reply
      • Jeff

        3 February, 2011 at 10:41 pm

        Your right… he said he took initiative to ‘create’ it.  HUGE difference. lol

        Reply
    20. Daniel Memenode

      16 December, 2010 at 5:44 pm

      That was indeed quite long ago by our standards, but considering the amazing impact it had on the world (being completely transformative) 40 years isn’t all that great amount of time, and it was only the last 15 or so years that the internet really started taking off. Who would’ve thought just 10 years ago that something like Facebook would become a household word and used by half a billion people.

      Reply
    21. Joshua Tasker

      16 December, 2010 at 3:39 pm

      Its unbeleivable to realize that the Internet Was invented so long ago. The changes and phazes it has made to keep up to date is ubeleivable. and to the man who created is a genious.

      Reply
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