INTERNET


History of Internet
  • Internet is a network of interconnected computers that is now global
  • Internet born in 1969 - called ARPANET
  • 1969 ARPANET was connection of computers at UCLA, Stanford, UCSB, Univ. of Utah
    1972 - Telnet developed as a way to connect to remote computer
  • 1972 – Email introduced
  • 1977 - U. Wisconsin had the first “large” Email system - 100 users
  • 1973 - ARPANET goes international
  • 1973 - File Transfer Protocol (FTP) established
  • 1981 – IBM PC
  • 1984 – Apple Macintosh
  • 1986 – Modem becomes option on PCs
  • 1984 - Domain Name Server introduced –allows naming of hosts, no longer numeric
  • 1986 - NSFNET created
  • in 1990, becomes backbone of modern Internet when ARPANET is decommissioned
  • Completely privatized by 1995
  • 56 K interconnection initially, increased rapidly
  • 1991 - Tim Berners-Lee releases World Wide Web!
  • TBL is computer programmer at CERN, a physics lab in Europe (new book Weaving the Web by TBL)
  • 1993 - Mosaic (becomes Netscape) designed by graduate students at University of Illinois
  • First point-and-click browser
  • Later developed into Netscape Navigator
  • Via Internet, computers can contact each other
  • Public files on computers can be read by remote user – usually HyperText Markup Language (.html)
  • URL - Universal Resource Locator - is name of file on a remote computer     http://www.msu.edu/~urquhar5/tour/active.html
  • World Wide Web uses HTTP Servers, better known as web server
  • Receive HTTP type request and send requested file in packets
  • Mosaic (1993) was first point-and-click browser
  • Web browsers are the software we use to view web pages
  • Mozila, Safari and Internet Explorer are most popular
  • Netscape Navigator was original, but Microsoft leveraged IE on market
  • Windows 95 GUI made computing easier for PC-bound masses
  • Windows 95 + Internet (AOL, others) à Huge increase in number of home PCs
 

Visit
http://www.internetsociety.org/internet/internet-51/facts-and-figures for data on Internet usage and traffic.