History of Internet<br />
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03 Sep 15
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30 Aug 15
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13 Jun 13
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13 Dec 11
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25 Oct 11
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The Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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The Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward
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05 Sep 11
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30 Aug 11
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The Internet is at once a world-wide broadcasting capability, a mechanism for information dissemination, and a medium for collaboration
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without regard for geographic location.
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most successful examples of the benefits of sustained investment and commitment to research and development
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the government, industry and academia have been partners
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This history revolves around four distinct aspects
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technological evolution
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ARPANET
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operations and management aspect
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social aspect,
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commercialization aspect
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Internauts
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prototype of what is often called the National (or Global or Galactic) Information Infrastructure.
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use of online tools to accomplish electronic commerce, information acquisition, and community operations.
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The first recorded description of the social interactions that could be enabled through networking
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J.C.R. Licklider of MIT in August 1962 discussing his "Galactic Network" concept
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globally interconnected set of computers
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DARPA
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theoretical feasibility of communications using packets
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1964. Kleinrock convinced Roberts of the
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1965 working with Thomas Merrill
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Mass. to the Q-32 in California with a low speed dial-up telephone line creating the first (however small) wide-area computer network ever built.
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circuit switched telephone system was totally inadequate
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to develop the computer network concept
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late 1966 Roberts went to DARPA
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publishing it in 1967
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work at MIT (1961-1967), at RAND (1962-1965), and at NPL (1964-1967) had all proceeded in parallel without any of the researchers knowing about the other work
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early development of packet switching theory and his focus on analysis, design and measurement, his Network Measurement Center at UCLA was selected to be the first node on the ARPANET
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September 1969
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"Augmentation of Human Intellect" (which included NLS, an early hypertext system
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end of 1969, four host computers were connected together into the initial ARPANET
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investigating methods of 3-D representations over the net
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1972 that the initial "hot" application, electronic mail, was introduced
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email took off as the largest network application for over a decade.
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enormous growth of all kinds of "people-to-people" traffic.
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The original ARPANET grew into the Internet.
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The Internet as we now know it embodies a key underlying technical idea, namely that of open architecture networking.
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selected freely by a provider and made to interwork with the other networks through a meta-level "Internetworking Architecture"
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In an open-architecture network, the individual networks may be separately designed and developed
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Each network can be designed in accordance with the specific environment and user requirements of that network.
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open-architecture networking was first introduced by Kahn shortly after having arrived at DARPA in 1972.
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"Internetting".
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reliable end-end protocol that could maintain effective communication in the face of jamming and other radio interference
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new version of the protocol which could meet the needs of an open-architecture network environment
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Transmission Control Protocol/Internet Protocol (TCP/IP).
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Each distinct network would have to stand on its own
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Communications would be on a best effort basis.
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Black boxes would be used to connect the networks
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no information retained by the gateways
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There would be no global control at the operations level.
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28 Aug 11
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21 Aug 11
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05 Jul 11
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03 Jun 11
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28 May 11
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25 May 11
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He envisioned a globally interconnected set of computers through which everyone could quickly access data and programs from any site.
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14 May 11
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10 May 11
Brandoh OhLeiner B., Cerf V., Clark D., Kahn R., Kleinrock L., Lynch D., Postel J., Roberts L., Wolff S., (2003), A brief history of Internet, Obtenido el 11 de Abril desde:http://www.isoc.org/internet/history/brief.shtml
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22 Mar 11
STEPHEN wctaThe Internet has revolutionized the computer and communications world like nothing before. The invention of the telegraph, telephone, radio, and computer set the stage for this unprecedented integration of capabilities. The Internet is at once a world-wide broadcasting capability, a mechanism for information dissemination, and a medium for collaboration and interaction between individuals and their computers without regard for geographic location.
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01 Mar 11
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18 Feb 11
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13 Feb 11
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09 Feb 11
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16 Dec 10
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the circuit switched telephone system was totally inadequate for the job
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Interface Message Processors (IMP's)
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Network Control Protocol (NCP)
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key underlying technical idea, namely that of open architecture networking
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NCP relied on ARPANET to provide end-to-end reliability.
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Kahn decided to develop a new version of the protocol which could meet the needs of an open-architecture network environment
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(TCP/IP)
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"pipelining"
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Gateway functions
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forward packets
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Interfacing with the various operating systems
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he asked Vint Cerf
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Kahn's architectural approach
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Cerf's NCP experience
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Flow control
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sliding windows and acknowledgments (acks)
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position of any octet in the stream would be used to identify it
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Although Ethernet was under development at Xerox PARC at that time, the proliferation of LANs were not envisioned at the time, much less PCs and workstations. The original model was national level networks like ARPANET of which only a relatively small number were expected to exist. Thus a 32 bit IP address was used of which the first 8 bits signified the network and the remaining 24 bits designated the host on that network. This assumption, that 256 networks would be sufficient for the foreseeable future, was clearly in need of reconsideration when LANs began to appear in the late 1970s
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IP which
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provided only for addressing and forwarding of individual packets
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TCP, which
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concerned with service features such as flow control and recovery from lost packets
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(UDP)
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the general purpose nature of the service provided by TCP and IP that makes this possible.
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three network classes (A, B, and C)
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A major shift occurred
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Domain Name System (DNS)
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Interior Gateway Protocol (IGP)
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Exterior Gateway Protocol (EGP)
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(CIDR)
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Looking back, the strategy of incorporating Internet protocols into a supported operating system for the research community was one of the key elements in the successful widespread adoption of the Internet.
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The Role of Documentation
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Request for Comments (or RFC)
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Email
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As the current rapid expansion of the Internet is fueled by the realization of its capability to promote information sharing, we should understand that the network's first role in information sharing was sharing the information about it's own design and operation through the RFC documents. This unique method for evolving new capabilities in the network will continue to be critical to future evolution of the Internet.
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Formation of the Broad Community
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collection of communities as a collection of technologies,
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an increased need for coordination mechanisms
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This growth was complemented by a major expansion in the community. No longer was DARPA the only major player in the funding of the Internet. In addition to NSFNet and the various US and international government-funded activities, interest in the commercial sector was beginning to grow.
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in 1985
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The growth in the commercial sector brought with it increased concern regarding the standards process itself. Starting in the early 1980's and continuing to this day, the Internet grew beyond its primarily research roots to include both a broad user community and increased commercial activity.
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Increased attention was paid to making the process open and fair.
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World Wide Web Consortium (W3C)
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Tim Berners-Lee
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W3C has taken on the responsibility for evolving the various protocols and standards associated with the Web
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The DoD had mandated the use of TCP/IP
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in many of its purchases but gave little help to the vendors regarding how to build useful TCP/IP products.
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the vendors
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The results were surprises on both sides
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the inventors
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a two way discussion was formed
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This self-selected group evolves the TCP/IP suite in a mutually cooperative manner
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Network management provides an example of the interplay between the research and commercial communities
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Simple Network Management Protocol or SNMP
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In the last few years, we have seen a new phase of commercialization. Originally, commercial efforts mainly comprised vendors providing the basic networking products, and service providers offering the connectivity and basic Internet services. The Internet has now become almost a "commodity" service, and much of the latest attention has been on the use of this global information infrastructure for support of other commercial services.
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This has been tremendously accelerated by the widespread and rapid adoption of browsers and the World Wide Web technology
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the latest developments in technology have been aimed at providing increasingly sophisticated information services on top of the basic Internet data communications.
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On October 24, 1995, the FNC unanimously passed a resolution defining the term Internet. This definition was developed in consultation with members of the internet and intellectual property rights communities.
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The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term "Internet". "Internet" refers to the global information system that -- (i) is logically linked together by a globally unique address space based on the Internet Protocol (IP) or its subsequent extensions/follow-ons; (ii) is able to support communications using the Transmission Control Protocol/Internet Protocol (TCP/IP) suite or its subsequent extensions/follow-ons, and/or other IP-compatible protocols; and (iii) provides, uses or makes accessible, either publicly or privately, high level services layered on the communications and related infrastructure described herein.
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RESOLUTION:
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As this paper describes, the architecture of the Internet has always been driven by a core group of designers, but the form of that group has changed as the number of interested parties has grown
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23 Nov 10
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One should not conclude that the Internet has now finished changing. The Internet, although a network in name and geography, is a creature of the computer, not the traditional network of the telephone or television industry. It will, indeed it must, continue to change and evolve at the speed of the computer industry if it is to remain relevant. It is now changing to provide such new services as real time transport, in order to support, for example, audio and video streams. The availability of pervasive networking (i.e., the Internet) along with powerful affordable computing and communications in portable form (i.e., laptop computers, two-way pagers, PDAs, cellular phones), is making possible a new paradigm of nomadic computing and communications.
This evolution will bring us new applications - Internet telephone and, slightly further out, Internet television. It is evolving to permit more sophisticated forms of pricing and cost recovery, a perhaps painful requirement in this commercial world. It is changing to accommodate yet another generation of underlying network technologies with different characteristics and requirements, from broadband residential access to satellites. New modes of access and new forms of service will spawn new applications, which in turn will drive further evolution of the net itself.
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20 Oct 10
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28 Sep 10
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21 Sep 10
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Transition to Widespread Infrastructure
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Transition to Widespread Infrastructure
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Introduction
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Origins of the Internet
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The Initial Internetting Concepts
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Proving the Ideas
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Transition to Widespread Infrastructure
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The Role of Documentation
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Formation of the Broad Community
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Commercialization of the Technology
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History of the Future
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. Beginning with the early research in packet switching
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This history revolves around four distinct aspects.
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There is the technological evolution that began with early research on packet switching and the ARPANET (and related technologies),
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and where current research continues to expand the horizons of the infrastructure along several dimensions
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, such as scale, performance, and higher level functionality.
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The first recorded description of the social interactions that could be enabled through networking was a series of memos written by J.C.R. Licklider of MIT in August 1962 discussing his "Galactic Network" concept.
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using packets rather than circuits
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Roberts connected the TX-2 computer in Mass. to the Q-32 in California with a low speed dial-up telephone line creating the first (however small) wide-area computer network ever built.
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ircuit switched telephone system was totally inadequate for the job
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Interface Message Processors (IMP's)
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beginning with the ARPANET as the pioneering packet switching network, but soon to include packet satellite networks, ground-based packet radio networks and other networks
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Each distinct network would have to stand on its own and no internal changes could be required to any such network to connect it to the Internet.
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Communications would be on a best effort basis. If a packet didn't make it to the final destination, it would shortly be retransmitted from the source.
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Black boxes would be used to connect the networks; these would later be called gateways and routers. There would be no information retained by the gateways about the individual flows of packets passing through them, thereby keeping them simple and avoiding complicated adaptation and recovery from various failure modes.
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There would be no global control at the operations level.
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15 Sep 10
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30 Aug 10
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As the Internet evolved, one of the major challenges was how to propagate the changes to the software, particularly the host software. DARPA supported UC Berkeley to investigate modifications to the Unix operating system, including incorporating TCP/IP developed at BBN. Although Berkeley later rewrote the BBN code to more efficiently fit into the Unix system and kernel, the incorporation of TCP/IP into the Unix BSD system releases proved to be a critical element in dispersion of the protocols to the research community. Much of the CS research community began to use Unix BSD for their day-to-day computing environment. Looking back, the strategy of incorporating Internet protocols into a supported operating system for the research community was one of the key elements in the successful widespread adoption of the Internet.
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22 Jul 10
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11 Jul 10
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05 Jul 10
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On October 24, 1995, the FNC unanimously passed a resolution defining the term Internet. This definition was developed in consultation with members of the internet and intellectual property rights communities. RESOLUTION: The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term "Internet". "Internet" refers to the global information system that -- (i) is logically linked together by a globally unique address space based on the Internet Protocol (IP) or its subsequent extensions/follow-ons; (ii) is able to support communications using the Transmission Control Protocol/Internet Protocol (TCP/IP) suite or its subsequent extensions/follow-ons, and/or other IP-compatible protocols; and (iii) provides, uses or makes accessible, either publicly or privately, high level services layered on the communications and related infrastructure described herein.
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New modes of access and new forms of service will spawn new applications, which in turn will drive further evolution of the net itself.
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17 Feb 10
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16 Feb 10
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27 Jan 10
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25 Jan 10
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07 Jan 10
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The Internet represents one of the most successful examples of the benefits of sustained investment and commitment to research and development of information infrastructure.
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This is intended to be a brief, necessarily cursory and incomplete history. Much material currently exists about the Internet, covering history, technology, and usage. A trip to almost any bookstore will find shelves of material written about the Internet. 2
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There is the social aspect, which resulted in a broad community of Internauts working together to create and evolve the technology. And there is the commercialization aspect, resulting in an extremely effective transition of research results into a broadly deployed and available information infrastructure.
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The Internet today is a widespread information infrastructure, the initial prototype of what is often called the National (or Global or Galactic) Information Infrastructure. Its history is complex and involves many aspects - technological, organizational, and community. And its influence reaches not only to the technical fields of computer communications but throughout society as we move toward increasing use of online tools to accomplish electronic commerce, information acquisition, and community operations.
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Leonard Kleinrock at MIT published the first paper on packet switching theory in July 1961 and the first book on the subject in 1964. Kleinrock convinced Roberts of the theoretical feasibility of communications using packets rather than circuits, which was a major step along the path towards computer networking. The other key step was to make the computers talk together. To explore this, in 1965 working with Thomas Merrill, Roberts connected the TX-2 computer in Mass. to the Q-32 in California with a low speed dial-up telephone line creating the first (however small) wide-area computer network ever built. The result of this experiment was the realization that the time-shared computers could work well together, running programs and retrieving data as necessary on the remote machine, but that the circuit switched telephone system was totally inadequate for the job. Kleinrock's conviction of the need for packet switching was confirmed.
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It happened that the work at MIT (1961-1967), at RAND (1962-1965), and at NPL (1964-1967) had all proceeded in parallel without any of the researchers knowing about the other work. The word "packet" was adopted from the work at NPL and the proposed line speed to be used in the ARPANET design was upgraded from 2.4 kbps to 50 kbps. 5
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05 Jan 10
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09 Dec 09
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23 Nov 09
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The first recorded description of the social interactions that could be enabled through networking was a series of memos written by J.C.R. Licklider of MIT in August 1962 discussing his "Galactic Network" concept. He envisioned a globally interconnected set of computers through which everyone could quickly access data and programs from any site. In spirit, the concept was very much like the Internet of today. Licklider was the first head of the computer research program at DARPA, 4 starting in October 1962. While at DARPA he convinced his successors at DARPA, Ivan Suth
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erland, Bob Taylor, and MIT researcher Lawrence G. Roberts, of the importance of this networking concept.
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24 Oct 09
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14 Oct 09
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28 Sep 09
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26 Sep 09
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31 Aug 09
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20 Aug 09
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08 Aug 09
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26 Jul 09
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05 Jul 09
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18 Jun 09
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08 Jun 09
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02 Jun 09
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11 May 09
Silukkelly SilukkellyThe Internet has revolutionized the computer and communications world like nothing before.
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04 May 09
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15 Mar 09
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14 Feb 09
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11 Feb 09
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The first recorded description of the social interactions that could be enabled through networking was a series of memos written by J.C.R. Licklider of MIT in August 1962 discussing his "Galactic Network" concept.
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22 Jan 09
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04 Jan 09
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24 Nov 08
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18 Nov 08
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14 Nov 08
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14 Oct 08
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05 Oct 08
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16 Sep 08
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08 Sep 08
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31 Aug 08
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26 May 08
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16 May 08
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10 May 08
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22 Apr 08
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History of the Future
On October 24, 1995, the FNC unanimously passed a resolution defining the term Internet. This definition was developed in consultation with members of the internet and intellectual property rights communities. RESOLUTION: The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term "Internet". "Internet" refers to the global information system that -- (i) is logically linked together by a globally unique address space based on the Internet Protocol (IP) or its subsequent extensions/follow-ons; (ii) is able to support communications using the Transmission Control Protocol/Internet Protocol (TCP/IP) suite or its subsequent extensions/follow-ons, and/or other IP-compatible protocols; and (iii) provides, uses or makes accessible, either publicly or privately, high level services layered on the communications and related infrastructure described herein.
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26 Mar 08
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25 Mar 08
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23 Feb 08
Carol CravenIn 1993, there were approximately 130 websites; now there are millions.
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19 Jan 08
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09 Jan 08
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22 Oct 07
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04 Oct 07
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11 Sep 07
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30 Aug 07
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11 Aug 07
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17 Jul 07
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01 Jun 07
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27 May 07
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23 May 07
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08 Apr 07
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29 Mar 07
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22 Mar 07
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05 Mar 07
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12 Feb 07
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29 Nov 06
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08 Nov 06
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11 Oct 06
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On October 24, 1995, the FNC unanimously passed a resolution defining the term Internet.
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03 Oct 06
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17 Sep 06
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06 Sep 06
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04 Jul 06
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27 Jun 06
Public Stiky Notes
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