Internet Basics

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Internet Basics
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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."

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Networks

• LAN
• WAN
• Intranet
• Internet

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Some Terminology

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

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Infrastructure

• Routers
• Modems
• Servers
• Cables / Satellite / Wireless
• Network Cards Ethernet

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More Terminology

• Domain Name
• InterNIC
• URL
• ISP

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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.

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Security

• SPAM
• Virus
• Worm
• Encryption
• Firewall