The Internet Behind the Web NOTES CS 1A The Internet Behind the Web Notes 1 In 1958 the administration of Dwight D Eisenhower created the National Aeronautics and Space Administration NASA for rocket scientists as well as the ARPA for other types of governmentfinanced exploration 2 Leonard Kleinrock applied theory to data transmission He also showed how to speed up the network by using demand access and distributed control 3 switching was what was used for telephone communications 4 Paul Baran was hired to see if a network could be built to assure of a nuclear attack during the Cold War He based his idea on a model of mice going through a maze 5 Paul Baran also used an idea from the telegraph to break up the message into equal size with headers indicating where the packet should go 6 Each could decide where next to send the packets and would continue to send the packet until it is received at the next node 7 Bob Taylor an ARPA scientist in 1966 didn t like the idea that he needed separate terminals to log into different computers He was allocated to turn theory into practice 8 built first experimental connection between computers at MIT He was inspired by another engineer who suggested building special mini computers that would only have to know how to deal with one mainframe 9 The companies though that the network A B didn t think it and C had in their current communications systems 10 The first network had 4 IMP connected to 4 different mainframe computers to pass packets Page 1 of 2 The Internet Behind the Web NOTES CS 1A 11 UCLA where charged to write the program to connect the UCLA mainframe to the IMP 12 First killer app on the ARPANET was invented by Raymond Tomlinson who wrote it on his own time He was the first to use the symbol in an address 13 The Internet is developed using an 14 In 1972 there were network sites online During the demo of the ARPANET to ATT executives the IMP and the executives laughed 15 In 1973 the protocol was developed to allow different networks to communicate and became the standard in 1983 16 Congress passed a bill on June 9th 1992 taking the INTERNET out of and into the public 17 At CERN research center in Switzerland Tim Berners Lee developed software to follow threads of information across the internet which he named the 18 In 1992 there were only web pages on the internet 19 In 1993 at the University of Illinois a student named Marc Andreesen age 22 developed a browser called later renamed Netscape allowing the ease of access to the world wide web 20 There were domain names and web sites at the turn of the century Page 2 of 2
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