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2.2.1.1 the evolution of internet

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Topic 3




         INTERNET TECHNOLOGY
3.2 The Internet
  3.2.1 Overview of the Internet
     3.2.1.1 Evolution of the Internet

                                         1
Learning Outcome


At the end of this topic, students should be able to:

  • Discuss the evolution of the Internet.




                                                   2
Definition of Internet

 The Internet:
   • The Internet is a worldwide collection of
     networks that links millions of
     businesses, government agencies, educational
     institutions, and individuals.




                                               3
Evolution of the Internet

 The Internet originated as ARPANET in
  September 1969 and had two main goals:

      Allow scientists at
                            Function even if part of
       different physical
                               the network were
      locations to share
                             disabled or destroyed
    information and work
                                 by a disaster
            together




                                                       4
Evolution of the Internet



                                           1995 NSFNet
                 1984
                             1986 NSF       terminates
              ARPANET
                              connects      its network                  Today More
   1969       has more
                             NSFnet to         on the         1996         than 550
 ARPANET     than 1,000
                             ARPANET       Internet and   Internet2 is   million hosts
 becomes     individual
                           and becomes        resumes       founded       connect to
functional   computers
                             known as         status as                  the Internet
              linked as
                            the Internet      research
                hosts
                                              network




                                                                                 5
Evolution of the Internet

 What is ARPANET?
  • ARPA (Advanced Research Projects Agency), is
    an agency of the U.S. Department of Defense.

  • The network which called ARPANET, became
    functional in September 1969, linking scientific
    and academics researchers across U.S.



                                                  6

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2.2.1.1 the evolution of internet

  • 1. Topic 3 INTERNET TECHNOLOGY 3.2 The Internet 3.2.1 Overview of the Internet 3.2.1.1 Evolution of the Internet 1
  • 2. Learning Outcome At the end of this topic, students should be able to: • Discuss the evolution of the Internet. 2
  • 3. Definition of Internet  The Internet: • The Internet is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals. 3
  • 4. Evolution of the Internet  The Internet originated as ARPANET in September 1969 and had two main goals: Allow scientists at Function even if part of different physical the network were locations to share disabled or destroyed information and work by a disaster together 4
  • 5. Evolution of the Internet 1995 NSFNet 1984 1986 NSF terminates ARPANET connects its network Today More 1969 has more NSFnet to on the 1996 than 550 ARPANET than 1,000 ARPANET Internet and Internet2 is million hosts becomes individual and becomes resumes founded connect to functional computers known as status as the Internet linked as the Internet research hosts network 5
  • 6. Evolution of the Internet  What is ARPANET? • ARPA (Advanced Research Projects Agency), is an agency of the U.S. Department of Defense. • The network which called ARPANET, became functional in September 1969, linking scientific and academics researchers across U.S. 6
  • 7. Evolution of the Internet  What is ARPANET? • ARPANET consisted of 4 main computers located at: • University of California, Los Angeles. • University of California, Santa Barbara. • The Stanford Research Institute. • University of Utah. • Each of these computers served as a host on the network, commonly known today as server. 7
  • 8. Evolution of the Internet  Who is NSF? • NSF is the National Science Foundation, that connected its huge network of five supercomputer centers, called NSFnet to ARPANET in 1986. • The configuration of complex networks and hosts became known as the Internet. 8
  • 9. Evolution of the Internet  Each organization is responsible only for maintaining its own network.  No single person, company, institution, or government agency controls or owns the Internet.  The World Wide Web Consortium (W3C) oversees research and sets guidelines and standards.  Internet2 is a non-profit research & development project, that connects more than 200 universities and 115 companies via a high-speed private network to develop and test advanced network technologies (e.g.: telemedicine, digital libraries & faster Internet services). 9
  • 10. Evolution of the Internet 1995 NSFNet 1984 1986 NSF terminates ARPANET connects its network Today More 1969 has more NSFnet to on the 1996 than 550 ARPANET than 1,000 ARPANET Internet and Internet2 is million hosts becomes individual and becomes resumes founded connect to functional computers known as status as the Internet linked as the Internet research hosts network 10
  • 11. Topic Review 1. The __________________ is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals. 2. The Internet has its roots in a networking project started by the Pentagon’s ______________, an agency of the U.S. Department of Defense. 11
  • 12. Topic Review 3. The Internet has its roots in _________________, a network that became functional in 1969, linking scientific and academic researchers across the United States. 4. The ______________________________ oversees research related to the Internet. 12
  • 13. Topic Review 5. In 1986, the National Science Foundation (NSF) connected its huge network of five supercomputer centers, called NSFnet, to ___________________. 6. The mission of ________________________ is to contribute to the growth of the Web. 13
  • 14. Topic Review Q1: What is Internet? Q2: What are the goals of ARPANET? Q3: How did the Internet evolve? Q4: Who is W3C? Q5: What is Internet2? 14