1. SPC 2030 High-Tech Communication Internet History and Structure

2. Orientation Growth History Structure 3 dimensional map of internet as of 1995

3. How many on line?

4. The Internet World in 1991

5. The Internet World in 1997

10. Net growth in real time http://www.netsizer.com/

14. Internet Timeline 1957 Sputnik Launched, ARPA formed as a response (Advanced Research Projects Agency)

15. 1962 Rand Study How to create a computer system that would survive a nuclear war –No central authority –designed from the beginning to operate in tatters –assume network is unreliable –inefficient but rugged Develop packet switching networks with no single outage point

16. 1969 -- APRA Research Commissioned by DOD to research networking Original purpose to share long distance computer time Four nodes (UCLA, Stanford, UCSB, Utah) by 1971 15 nodes (UCLA, SRI, UCSB, Utah, BBN, MIT, RAND, SDC, Harvard, Lincoln Lab, Stanford, UIUC, CWRU, CMU, NASA/Ames)

17. The 1970’s 1969 Compuserve Started 1971 -- Email program developed (Ray Tomlinson of BBN) 1973 -- Ethernet concept outlined (Bob Metcalfe’s Dissertation) 1974 TCP Proposed 1976 Queen Elizabeth II send an E-mail 1979 First MUD

18. The 1980’s 1981 -- Bitnet “Because it’s Time Network” 1983 -- Military forms MILNET 1983 -- Change from NCP to TCP/IP 1984 -- Prodigy Formed by IBM/Sears 1984 -- Domain Name Server introduced 1985 -- America on Line Started 1986 -- First freenet, Cleveland 1988 -- IRC developed 1989 -- ARPANET ends (Internet born)

19. The Early 1990’s 1990 -- ARPANET ceases to exist 1990 -- Electronic Frontier Foundation founded 1990 -- Archie released 1991 -- NSF lifts commercial restrictions on use of Internet 1991 -- Gopher released 1991 -- WWW released by CERN

20. The mid-1990’s 1993 -- Internet radio starts 1993 -- White House goes on line 1993 -- Mosaic takes the net by storm 1994 -- Internet shopping malls 1994 -- First spam (Canter and Siegel law firm, green card lottery services) 1994 First Virtual on-line banking

21. The later 1990’s 1996 -- Internet Phones 1996 -- Communication Decency Act 1996 -- Browser wars 1997 -- Push Technology, multicasting, and streaming media

22. Current Internet Domains edu (Education) com (Commercial) org (Organization) us (United States) gov (Government) mil (Military) net (Net) ws (Western Samoa) biz (Business) bz (Belize) info (Information) tv (Tuvalu) cc (Cocos or Keeling Islands) name (personal names)

23. Future Internet Domains aero (airline industry) museum (Museums) pro (Professional sites) coop (Business Cooperatives)

24. Addresses cfmgb@ux1.eiu.edu.us Personal Account Machine System Domain Country

25. Network Protocol NCP -- Network Control Protocol TCP/IP –Transmission Control Protocol -- Message conversion to packet streams –Internet Protocol -- Addressing 123.123.123.123

26. How the Internet works Message Message divided into packets Sent via Internet Packets may be sent independently Message reassembled Sending E-mail and serving Web Pages