The document outlines the history of the Internet from its origins as ARPANET in 1969 with four interconnected nodes to its growth into a global network with hundreds of millions of users by 2006. Some key events included the development of TCP/IP in the 1970s, the creation of the World Wide Web in 1991, and the launch of popular websites and social networks in the 2000s. The number of Internet hosts grew exponentially from just a few nodes to hundreds of millions as the technology advanced and became commercially available.

1. History of the Internet
WeeSan Lee weesan@cs.ucr.edu

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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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1970
RFC maintained by Jon
Postel (the RFC-editor).
ARPANET used NCP
(Network Control Protocol),
first end-to-end protocol

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1971
15 nodes were connected.
Ray Tomlinson of BBN
invented email program.

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1972
@ was chosen by Ray
Tomlinson to separate the
userid and hostname.
First computer-to-computer
chat program at UCLA.

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1973
Ethernet was invented by
Bob Metcalfe's (Harvard PhD
Thesis)

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1974
TCP (Transmission Control
Protocol) was invented by
Vint Cerf and Bob Kahn.

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1975
First mailing list was created
by Steve Walker.

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1976
Queen Elizabeth II sent out
an email.

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1978
TCP splited into TCP and IP.

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1979
3Com was co-founded by
Bob Metcalfe.

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1981
BITNET (Because It’s Time
NETwork) was started.

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1982
DoD used TCP/IP to inter-connect
networks. Thus, the
Internet!!!

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1983
NCP → TCP/IP.
ARPANET was split into
ARPANET and MILNET.
BSD included TCP/IP.

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# of hosts
1984
DNS (Domain Name
System) was introduced.
> 1000 hosts.

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# of hosts
1986
NSFNET was created,
connecting 5 super-computers.
IETF was formed.
NNTP was created.

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# of hosts
1987
> 10,000 hosts.

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1988
First Internet Worm released
by Morris.
CERT (Computer
Emergency Response Team)
was formed as a result.
IRC was created.

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# of hosts
1989
> 100,000 hosts

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# of hosts
1990
ARPANET ceased.
AOL, CompuServe provided
dial-up service.

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1991
WWW was created by
Tim Berners-Lee from
CERN.
Linux was released by Linus
Torvalds.

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# of hosts
1992
> 1,000,000 hosts.
MBONE was created.

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1993
Network Solution, Inc was
chosen to provide domain
name registration.
www.whitehouse.gov online.
Mosaic was created.

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1994
NSFNET was transformed to
commercial network.
Shopping mall.
Can order pizza online.

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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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# of hosts
1996
Browser war (Netscape vs.
IE) began.
tv.com sold to CNET for
$15,000.

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# of hosts
1997
www.whitehouse.com online.
business.com sold for
$150,000

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# of hosts
1998
2M domain names
registered.
Compaq bought
altavista.com for $3.3M.
Google founded.
Jon Postel (RFC-editor) died.

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1999
First online banking.
business.com sold for $7.5B
Napster released.
Al Gore invented the
Internet???

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2000
Millennium bug.
Dotcom → dotgone.
Clinton made first webcast.

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# of hosts
2001
Wikipedia launched.

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2002
Myspace launched.

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2003
Facebook launched.

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# of hosts
2005
Vint Cerf joined Google.

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# of hosts
2006
> 439M hosts.
10 new computers joined the
Internet every second.

37. Internet Map
http://en.wikipedia.org/wiki/Imag e:Internet_map_1024.jpg

38. Reference
 The History of the Internet
 http://www.isoc.org/internet/history/cerf.shtml
 http://www.walthowe.com/navnet/history.html
 Timeline
 http://www.zakon.org/robert/internet/timeline/
 http://www.isoc.org/internet/history/2002_0918_Internet_Hi
story_and_Growth.ppt
 Al Gore invented the Internet?
 http://www.eecs.umich.edu/~fessler/misc/funny/gore,net.txt
 http://sethf.com/gore/
 Who is managing the Internet?
 http://www.acm.org/ubiquity/views/v6i5_simoneli.html