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Internet and World Wide Web Technologies

Internet and World Wide Web Technologies. E-commerce Book Chapter 3 pages 116-182 Concentrate on 162-171. Domain Name Hierarchies. Domain Name Hierarchies. ICANN. Internet Corporation for Assigned Numbers and Networks. Global coordinator of IP Address and Domain names.

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Internet and World Wide Web Technologies

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  1. Internet and World Wide Web Technologies E-commerce Book Chapter 3 pages 116-182 Concentrate on 162-171

  2. Domain Name Hierarchies

  3. Domain Name Hierarchies

  4. ICANN • Internet Corporation for Assigned Numbers and Networks. • Global coordinator of IP Address and Domain names. • Registrars like GoDaddy are “licenses” by ICANN to register domain names. • Large Internet Providers also “secure” IP addresses and farm them out to smaller ISPs.

  5. Map of the Internet (US) • http://www.cs.siena.edu/~ebreimer/courses/csis-116-s07/Internet_map_labels.pdf • The above is a partial map as seen from one location (Lumeta.com).

  6. USA: Pioneers of the Internet • The United States pioneered the Internet, and thus, “owns” the largest chunk of the infrastructure. • Western Europe, Japan, and Australia were quick to follow. • Eastern Europe, Russia and China are just getting established • Parts of Asia are next: India • South America and Africa may be decades away

  7. Client Server Model • Do not forget that the Internet and WWW use this model extensively.

  8. Protocols • HTTP / HTTPS – Hypertext Transfer Protocol (Secure) • FTP / SFTP – (Secure) File Transfer Protocol • SMTP – Simple Mail Transfer Protocol • POP – Post Office Protocol • IMAP – Internet Message Access Protocol • Telnet – Terminal Emulation

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