The Internet and the World Wide Web

• Origins of the Internet
  • The ARPAnet
  • Early use, openness to those with access
• The Internet Protocol Stack
  • Application
  • Transport
  • Network (Internet Layer)
  • Lower layers interface
• Relationship between independent networks and "the Internet"
  • Local Area Networks
  • bridges/routers
  • Network id/Host id
• Internet Addresses and Host Names
  • 32 bit addresses
  • dotted decimal notation
  • address domains
• The Internet, OSI, and other network architectures
  • Retrofitting pre-existing stacks into a new model
  • Architecture independence
• The World Wide Web
  • Hypertext and hypermedia
  • Browsers