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Internet Structure: Technology, Coordination, and Organizations. LESSON 2. Module 1: The History and the Future of the Web. Lesson Overview In this lesson, you will: Learn about the relationship between the Internet and the Web Understand and discuss the evolution of the Internet
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Internet Structure: Technology, Coordination, and Organizations LESSON 2 Module 1: The History and the Future of the Web
Lesson Overview In this lesson, you will: • Learn about the relationship between the Internet and the Web • Understand and discuss the evolution of the Internet • Share your experiences in accessing and using the Internet
Guiding Question How has the Internet impacted you, your friends, your family, and your community (local, national, and global)?
Internet Visionaries and Pioneers Joseph Licklider, 1962, Galactic Network Larry Roberts, 1965, connected two computers that shared files Leonard Kleinrock, 1969, ARPANET Vinton Cerf and Robert Kahn, 1974, co-designed TCP/IP
Internet History and Structure The United States government’s role • 1958 U.S. Department of Defense commissioned ARPA (Advanced Research Projects Agency) • Name changed to DARPA • 1960s Communications Initiative
Internet History and Structure The United States government’s role 1960s • ARPA commissioned ARPANET • First WAN (Wide Area Network) • Packet switching • Universities, research institutes, and several NATO countries • Larry Roberts
Internet History and Structure The United States government’s role 1960s • ARPANET—Four-node network restricted to government, academia, and research • 1st Node—UCLA (University of California, Los Angeles) • 2nd Node—SRI (Stanford Research Institute) • 3rd Node—UCSB (University of California, Santa Barbara) • 4th Node—University of Utah
Internet History and Structure • National Science Foundation’s role in the 1980s • NSF funded Computer Science Network (CSN) • NSF funded Supercomputing Program • NSFNET / Supercomputing Program • Both networks allowed commercial access
Internet History and Structure • National Science Foundation’s role in the 1980s • NSF granted network access points to • Commercial Backbones • New York Sprint • Washington, DC MFS • Chicago Ameritech • California Pacific Bell
Internet History and Structure • National Science Foundation’s role in the 1990s • April 30, 1995, NSFNET dissolved • Maintained vBNS • Very-High-Speed Backbone Network Service • Internet 2
Practice • Using http://hwi.uni.be/hwi_uk.html, complete the simulation entitled “How Does the Internet Work?” and answer the questions on the worksheet. • Using a variety of resources, answer the questions on The Internet History, Pioneers, and Standards.
Lesson Review During this lesson, you learned: • The relationship between the Internet and the Web • How the Internet evolved • How connection factors impact your Internet experience