SPC 2030 High-Tech Communication Internet History and Structure.

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Presentation transcript:

SPC 2030 High-Tech Communication Internet History and Structure

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

How many on line?

The Internet World in 1991

The Internet World in 1997

Net growth in real time

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

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

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

The 1970’s 1969 Compuserve Started program developed (Ray Tomlinson of BBN) Ethernet concept outlined (Bob Metcalfe’s Dissertation) 1974 TCP Proposed 1976 Queen Elizabeth II send an First MUD

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

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

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

The later 1990’s Internet Phones Communication Decency Act Browser wars Push Technology, multicasting, and streaming media

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)

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

Addresses Personal Account Machine System Domain Country

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

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