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Internet Basics

Internet Basics. What is it?. RESOLUTION by The Federal Networking Council (FNC): "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)

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Internet Basics

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  1. Internet Basics

  2. What is it? RESOLUTION by The Federal Networking Council (FNC): "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) (ii) is able to support communications using TCP/IP (iii) provides, uses or makes accessible, either publicly or privately, high level services layered on the communications and related infrastructure described herein."

  3. Networks • LAN • WAN • Intranet • Internet

  4. Some Terminology • TCP / IP • World Wide Web / HTML / XML • Email / SMTP • FTP • Chat • Bulletin Boards • Search Engines

  5. Infrastructure • Routers • Modems • Servers • Cables / Satellite / Wireless • Network Cards – Ethernet

  6. More Terminology • Domain Name • InterNIC • URL • ISP

  7. eCommerce • Infrastructure • Backbone – Qwest, MCI Worldcom • Hardware – Cisco, Lucent, etc. • Applications • Software to make business possible – Microsoft, Sun, Netscape • Intermediaries • Brokerages, Content aggregators – Doubleclick, Yahoo • eCommerce • Sellers – Amazon, eToys, etc.

  8. Security • SPAM • Virus • Worm • Encryption • Firewall

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