Brief History of Internet

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Brief History of Internet
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Internet Impact

• Check weather
• Buy goods
• Play music
• Find the shortest route
• Give a lecture

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The Incredible Growth
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Brief Internet History

• Batch Environment - 1950s
• No direct interaction between users and their
  programs during execution
• Time Sharing - 1960s
• Users were able to interact with the computer and
  could share its information processing resources
• Marked the beginning of computer communications

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Brief Internet History (cont.)

• Time Sharing
• Dumb terminals connected to a central computer
  system

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Brief Internet History (cont.)

• Late 1960s ARPANET
• ARPA (Advanced Research Projects Agency)
  commissioned an experimental computer network
• 1970s
• Distributed Processing minicomputers
• Communication between neighbor processors and
  applications via networks
• Growth of ARPANET and Invention of Email

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Brief Internet History (cont.)

• 1980s
• WAN and LAN
• Prototype Internet
• TCP/IPAllows different networks to interconnect

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A LAN Example
E
D
A
C
B
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Internet a network of networks
The Internet
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Brief Internet History (cont.)

• 1990s WWW
• HTTP and HTML
• Marc Andreessen Mosaic (all-in-one solution)
• Commercial traffic allowed ECommerce

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Networking Questions

• Over what medium?
• At what speed?
• How to address computers?
• Which path?
• How to handle (detect recover) errors?
• What services?
• How to address documents?
• What data format?