HISTORY OF THE INTERNET

R
HISTORY OF THE INTERNET
CONTENTS
• Internet History
• Internet Evolution
• The Creation of the Internet challenges
• Internet Growth – Sept. 1969 – Sept. 2002
• Conclusion
HISTORY OF THE INTERNET
What Was the
“Victorian Internet”
• The Telegraph
• Invented in the 1840s.
• Signals sent over wires that were established
over vast distances
• Used extensively by the U.S. Government
during the American Civil War, 1861 - 1865
What Is the Internet?
• A network of networks, joining many government, university and
private computers together and providing an infrastructure for the
use of E-mail, bulletin boards, file archives, hypertext documents,
databases and other computational resources
• The largest network of networks in the
world.
• Uses TCP/IP protocols and packet switching .
6
ARPANET
 1967: Lawrence Roberts of ARPA
publishes plan for the first
computer network system – the
ARPANET
 Packet switches were needed.
Called Interface Message
Processors (IMP), the contract was
awarded to BBN
 Oct 1969: IMPs installed in UCLA,
Stanford, UCSB and Utah
Interface Message Processor
History of the Internet
• 1968 - DARPA (Defense Advanced Research Projects
Agency) contracts with BBN (Bolt, Beranek &
Newman) to create ARPANET
• 1974 - TCP specification by Vint Cerf
• 1984 – On January 1, the Internet with its 1000 hosts
converts en masse to using TCP/IP for its messaging
A Brief Summary of the
Evolution of the Internet
WWW
Created
1989
Mosaic
Created
1993
Packet
Switching
Invented
1964
Silicon
Chip
1958
First Vast
Computer
Network
Envisioned
1962
ARPANET
1969
TCP/IP
Created
1972
Internet
Named
and
Goes
TCP/IP
1984
Hypertext
Invented
1965
A
Mathematical
Theory of
Communication
1948
Age of
eCommerce
Begins
1995
1948 1995
The Creation of the Internet
• The creation of the Internet solved the following challenges:
– Basically inventing digital networking as we know it
– Survivability of an infrastructure to send / receive high-speed
electronic messages
– Reliability of computer messaging
– Problem: Data traffic
– Best Effort Service Model - Packets would be routed through the
fastest available route
Internet Growth Trends
• 1977: 111 hosts on Internet
• 1981: 213 hosts
• 1983: 562 hosts
• 1984: 1,000 hosts
• 1986: 5,000 hosts
• 1987: 10,000 hosts
• 1989: 100,000 hosts
• 1992: 1,000,000 hosts
• 2001: 150 – 175 million hosts
• 2002: over 200 million hosts
• By 2010, about 80% of the planet will be on the Internet
Conclusion
• The Internet (and World Wide Web) was have today was
created by some very bright, talented people who either
had vision, or were inspired by other talented people’s
visions.
• Though their ideas were not always popular, they pressed
ahead.
• Their perseverance and hard work brought us to where we
are today.
• There is a lot to be learned by studying these people, their
early work and keeping in mind what they had to work with.
• Today, we owe a great deal for the wired world we enjoy, to
the hard work of these people.
Questions?
HISTORY OF THE INTERNET
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HISTORY OF THE INTERNET

  • 2. CONTENTS • Internet History • Internet Evolution • The Creation of the Internet challenges • Internet Growth – Sept. 1969 – Sept. 2002 • Conclusion
  • 4. What Was the “Victorian Internet” • The Telegraph • Invented in the 1840s. • Signals sent over wires that were established over vast distances • Used extensively by the U.S. Government during the American Civil War, 1861 - 1865
  • 5. What Is the Internet? • A network of networks, joining many government, university and private computers together and providing an infrastructure for the use of E-mail, bulletin boards, file archives, hypertext documents, databases and other computational resources • The largest network of networks in the world. • Uses TCP/IP protocols and packet switching .
  • 6. 6 ARPANET  1967: Lawrence Roberts of ARPA publishes plan for the first computer network system – the ARPANET  Packet switches were needed. Called Interface Message Processors (IMP), the contract was awarded to BBN  Oct 1969: IMPs installed in UCLA, Stanford, UCSB and Utah Interface Message Processor
  • 7. History of the Internet • 1968 - DARPA (Defense Advanced Research Projects Agency) contracts with BBN (Bolt, Beranek & Newman) to create ARPANET • 1974 - TCP specification by Vint Cerf • 1984 – On January 1, the Internet with its 1000 hosts converts en masse to using TCP/IP for its messaging
  • 8. A Brief Summary of the Evolution of the Internet WWW Created 1989 Mosaic Created 1993 Packet Switching Invented 1964 Silicon Chip 1958 First Vast Computer Network Envisioned 1962 ARPANET 1969 TCP/IP Created 1972 Internet Named and Goes TCP/IP 1984 Hypertext Invented 1965 A Mathematical Theory of Communication 1948 Age of eCommerce Begins 1995 1948 1995
  • 9. The Creation of the Internet • The creation of the Internet solved the following challenges: – Basically inventing digital networking as we know it – Survivability of an infrastructure to send / receive high-speed electronic messages – Reliability of computer messaging – Problem: Data traffic – Best Effort Service Model - Packets would be routed through the fastest available route
  • 10. Internet Growth Trends • 1977: 111 hosts on Internet • 1981: 213 hosts • 1983: 562 hosts • 1984: 1,000 hosts • 1986: 5,000 hosts • 1987: 10,000 hosts • 1989: 100,000 hosts • 1992: 1,000,000 hosts • 2001: 150 – 175 million hosts • 2002: over 200 million hosts • By 2010, about 80% of the planet will be on the Internet
  • 11. Conclusion • The Internet (and World Wide Web) was have today was created by some very bright, talented people who either had vision, or were inspired by other talented people’s visions. • Though their ideas were not always popular, they pressed ahead. • Their perseverance and hard work brought us to where we are today. • There is a lot to be learned by studying these people, their early work and keeping in mind what they had to work with. • Today, we owe a great deal for the wired world we enjoy, to the hard work of these people.