1. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall The Internet: Past and Present

2. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall2 Learning Objectives Discuss the business opportunities the Internet presents Explain the roots of the Internet Compare the capabilities of today’s Internet with those of tomorrow’s List the goals of Internet organizations Identify the world regions where Internet use is growing

3. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall3 Introducing the Internet Forerunners of Internet-based e- commerce: EDI EFT

4. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall4 ARPANET Developed and funded by the Department of Defense TCP/IP The term “Internet” first used in 1973 BITNET Established in 1981 to link universities worldwide

5. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall5 Basics of the Internet The Internet is a loose association of networks Each network contains: serverhost At least one server (or host) – connected to the Internet backbone Other computers – connected to the server The backbone is made up of the main, high-speed communication lines

6. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall6 Communication path = a combination of segments from one point to another Redundancy Redundancy: multiple paths being defined between end points Routers The higher the redundancy, the faster the transmission times

7. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall7 Bandwidth Bandwidth – corresponds to the speed of the communication line Determined by: The transmission medium The technology used for transmission

8. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall8 Internet Applications E-mail File Transfer Protocol (FTP) The World Wide Web (WWW) Enabled by HTTP Browsers Hypertext links HTML The “killer application”

9. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall9 Internet Applications Internet Relay Chat (IRC) & Audiovisual Applications AOL’s Instant Messenger, ICQ, etc. Video/audio conferencing: NetMeeting, Video Phone, etc.

10. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall10 The Internet Opens for Business 1991: NSF allows nonacademic and government organizations to connect to the Internet A democratic environment for business The size and financial strength of an organization have little impact on their ability to establish a commercial Web presence

11. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall11 Growth of the Internet Universal resource locator (URL) Identifies an Internet domain server Also known as domain name Web demographics Businesses on the Web

12. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall12 Who controls the Internet? No one No one fully controls the Internet! Internet Corporation for Assigned Names and Numbers (ICANN) Oversees the assignment of IP numbers and domain names An IP number is a unique code made up of four blocks of numbers, each between 0 and 255 Top level domains

13. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall13 World Wide Web Consortium (W3C) Repository of information about the Web Reference codes for the promotion of standards Prototype & sample applications

14. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall14 The Internet Engineering Task Force (IETF) Concerned with the evolution of the Internet architecture Internet2 & the next generation Internet

15. Oz – Foundations of Electronic Commerce © 2002 Prentice Hall The Internet: Past and Present