Internet AGB111 2013-14
What is the Internet? • A world-wide network of computers allows people to share information electronically • Like a BIG book with many web-pages on different topics • Can be accessed anywhere with an Internet connection
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Dr R Jayashree Asst Professor(AGB) Veterinary College, Bangalore
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Internet Hosts 1969 ARPANET was born. 4 nodes were inter-connected: UCLA,SRI,UCSB, U. of Utah Charley Kline from UCLA sent 1st packet. First RFC by Steve Crocker.
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Internet Hosts 1970 RFC maintained by Jon Postel (the RFC-editor). ARPANET used NCP (Network Control Protocol), first end-toend protocol
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Internet Hosts 1971 15 nodes were connected. Ray Tomlinson of BBN invented email program.
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Internet Hosts 1972 @ was chosen by Ray Tomlinson to separate the userid and hostname.
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First computer-to-computer chat program at UCLA.
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Internet Hosts 1973 Ethernet was invented by Bob Metcalfe's (Harvard PhD Thesis)
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Internet Hosts 1974 TCP (Transmission Control Protocol) was invented by Vint Cerf and Bob Kahn.
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Internet Hosts 1975 First mailing list was created by Steve Walker.
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Internet Hosts 1976 Queen Elizabeth II sent out an email.
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Internet Hosts 1978 TCP splited into TCP and IP.
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Internet Hosts 1979 3Com was co-founded by Bob Metcalfe.
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Internet Hosts 1981 BITNET (Because It’s Time NETwork) was started.
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Internet Hosts 1982 DoD used TCP/IP to interconnect networks. Thus, the Internet!!!
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120000 100000 80000 60000 40000 20000
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Internet Hosts 1983 NCP → TCP/IP. ARPANET was split into ARPANET and MILNET. BSD included TCP/IP.
180000 160000 140000 # of hosts
120000 100000 80000 60000 40000 20000
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Internet Hosts 1984 DNS (Domain Name System) was introduced.
180000 160000 140000 # of hosts
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> 1000 hosts.
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Internet Hosts 1986 NSFNET was created, connecting 5 super-computers. IETF was formed. NNTP was created.
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120000 100000 80000 60000 40000 20000
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Internet Hosts 1987 > 10,000 hosts.
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Internet Hosts 1988 First Internet Worm released by Morris. CERT (Computer Emergency Response Team) was formed as a result. IRC was created.
180000 160000 140000 # of hosts
120000 100000 80000 60000 40000 20000
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Internet Hosts 1989 > 100,000 hosts
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Internet Hosts 1990 ARPANET ceased. AOL, CompuServe provided dial-up service.
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20000000 15000000 10000000 5000000
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Internet Hosts 1991 WWW was created by Tim Berners-Lee from CERN. Linux was released by Linus Torvalds.
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20000000 15000000 10000000 5000000
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Internet Hosts 1992 > 1,000,000 hosts. MBONE was created.
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20000000 15000000 10000000 5000000
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Internet Hosts 1993 Network Solution, Inc was chosen to provide domain name registration. www.whitehouse.gov online. Mosaic was created.
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20000000 15000000 10000000 5000000
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Internet Hosts 1994 NSFNET was transformed to commercial network. Shopping mall. Can order pizza online.
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20000000 15000000 10000000 5000000
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Internet Hosts 1995 NSFNET was reverted back to research-only network. Realaudio started. Netscape IPO. Win95 released. Bob Metcalfe predicted the Internet would collapse.
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20000000 15000000 10000000 5000000
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Internet Hosts 1996 Browser war (Netscape vs. IE) began. tv.com sold to CNET for $15,000.
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20000000 15000000 10000000 5000000
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Internet Hosts 1997 www.whitehouse.com online. business.com sold for $150,000
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20000000 15000000 10000000 5000000
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Internet Hosts 1998 2M domain names registered. Compaq bought altavista.com for $3.3M. Google founded. Jon Postel (RFC-editor) died.
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20000000 15000000 10000000 5000000
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Internet Hosts 1999 First online banking. business.com sold for $7.5B Napster released. Al Gore invented the Internet???
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20000000 15000000 10000000 5000000
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Internet Hosts 2000 Millennium bug. Dotcom → dotgone. Clinton made first webcast.
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20000000 15000000 10000000 5000000
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Internet Hosts 2001 Wikipedia launched.
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Internet Hosts 2002 Myspace launched.
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Internet Hosts 2003 Facebook launched.
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Internet Hosts 2005 Vint Cerf joined Google.
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20000000 15000000 10000000 5000000
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Internet Hosts 2006 > 439M hosts. 10 new computers joined the Internet every second.
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20000000 15000000 10000000 5000000
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Internet Map
Dr R Jayashree Asst Professor(AGB) Veterinary College, Bangalore http://en.wikipedia.org/wiki/Image:Internet_map_1024.jpg 6/12/13
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