A Brief Intro to the Internet
  • In the late 60s early 70s ARPAnet was founded 
   to allow 4 universities to share information
  • Later it became the bases for the Internet!
  • In the early 80s BITNET was created. It was 
   used for email and list servs. 
      What is the Internet?
  •  A world-wide network of computer networks
  • At the lowest level, since 1982, all connections 
    use TCP/IP
  • No Single organisation is currently responsible 
   for running the Internet
  Internet Standards & Coordination
  ICANN - The Internet Corporation for Assigned 
  Numbers & Names
   • Non-profit organization 
   • Main function is to coordinate the assignment of:
    •  Internet domain names
    • IP address numbers
    • Protocol parameters
    • Protocol port numbers.
                       Web Standards 
                 and the W3C Consortium
     W3C – World Wide Web Consortium
       •   Develops recommendations and prototype 
           technologies related to the Web 
       •    Produces specifications, called 
           Recommendations, in an effort to 
           standardise web technologies
       •   www.w3.org
            Web Accessibility
   Web accessibility means that people with disabilities 
   can perceive, understand, navigate, and interact with 
   the Web, and that they can contribute to the Web. 
   •  WAI
     –  W3C’s Web Accessibility Initiative
       http://www.w3.org/WAI
   •  WCAG 
     –  Web Content Accessibility Guidelines
       http://www.w3.org/WAI/WCAG20/quickref/