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TCP/IP history Skills: none IT concepts: Internetwork This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License.

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Presentation on theme: "TCP/IP history Skills: none IT concepts: Internetwork This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License."— Presentation transcript:

1 TCP/IP history Skills: none IT concepts: Internetwork This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License.

2 The TCP/IP history Internet concepts –Applications –Technology (TCP/IP) –Implications for Individuals Organizations Society Internet skills –Application development –Content creation Text Images Audio Video

3 The vision Vannevar Bush’s “memex” from As We May Think, 1945As We May Think

4 The vision “In a few years, men will be able to communicate more effectively through a machine than face to face”. “What will on-line interactive communities be like?... They will be communities not of common location, but of common interest. In each field, the overall community of interest will be large enough to support a comprehensive system of field- oriented programs and data”. Licklider and Taylor, On-Line Man Computer Communication, 1968 (revision of a 1962 conference paper)On-Line Man Computer Communication

5 The vision Doug Engelbart, 1968, demonstrating systems designed to augment human intelligence (begun in 1962)augment human intelligence

6 The ARPANet -- December 5, 1969 Connected dissimilar computers, not networks Like a widely dispersed local area network Like a LAN with Macs and Windows PCs

7 TCP/IP motivation ARPA wanted to connect several separate, dissimilar networks to create an internetwork. Above is a figure from the paper proposing TCP, an internetworking protocol …

8 A Protocol for Packet Network Intercommunication,” IEEE Trans on Comms, Vol Com-22, No 5 May 1974. Vinton G. CerfRobert E. Kahn

9 TCP demonstration, October 1977 Interconnected three networks: ARPANet, SATNet, and the San Francisco Bay area packet radio network

10 TCP/IP milestones March 1978, TCP split into TCP and IP because packet voice applications required fast transport without error checking (UDP) January 1 1983, ARPAnet converts to TCP/IP, and splits into Milnet for operational applications and ARPANet for research 1985, The U.S. National Science Foundation initiates the NSFNET program with the goal of connecting all US and many foreign universities 1986, NSF deploys a six node network with 56 Kbps links using TCP/IP Which day was the “birth of the Internet?”

11 Other early protocols IBM System Network Architecture, 1974 Digital Equipment Corporation DECNet, 1975 International Organization for Standardization model, 1978

12 Cool historic video The DemoThe Demo, Douglas Engelbart demonstrates personal computer and networking prototypes that inspired generations of products and research Computer NetworksComputer Networks – Robert Kahn describing the ARPANet, J. C. R. Licklidder on motivation and applications, and others.


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