2.2.1.1 the evolution of internet

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2.2.1.1 the evolution of internet

  1. 1. Topic 3 INTERNET TECHNOLOGY3.2 The Internet 3.2.1 Overview of the Internet 3.2.1.1 Evolution of the Internet 1
  2. 2. Learning OutcomeAt the end of this topic, students should be able to: • Discuss the evolution of the Internet. 2
  3. 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. 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. 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 tofunctional computers known as status as the Internet linked as the Internet research hosts network 5
  6. 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. 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. 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. 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. 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 tofunctional computers known as status as the Internet linked as the Internet research hosts network 10
  11. 11. Topic Review1. 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. 12. Topic Review3. 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. 13. Topic Review5. 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. 14. Topic ReviewQ1: 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

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