1. Internet Structure: Technology, Coordination, and Organizations Module 1: The History and the Future of the Web LESSON 2

2. Module 1: The History and the Future of the Web LESSON 2 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

3. Module 1: The History and the Future of the Web LESSON 2 Guiding Question  How has the Internet impacted you, your friends, your family, and your community (local, national, and global)?

4. Module 1: The History and the Future of the Web LESSON 2 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

5. Module 1: The History and the Future of the Web LESSON 2 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

6. Module 1: The History and the Future of the Web LESSON 2 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

7. Module 1: The History and the Future of the Web LESSON 2 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

8. Module 1: The History and the Future of the Web LESSON 2 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

9. Module 1: The History and the Future of the Web LESSON 2 Internet History and Structure National Science Foundation’s role in the 1980s  NSF granted network access points to Commercial Backbones  New YorkSprint  Washington, DCMFS  ChicagoAmeritech  CaliforniaPacific Bell

10. Module 1: The History and the Future of the Web LESSON 2 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

11. Module 1: The History and the Future of the Web LESSON 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.http://hwi.uni.be/hwi_uk.html  Using a variety of resources, answer the questions on The Internet History, Pioneers, and Standards.

12. Module 1: The History and the Future of the Web LESSON 2 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