Networks, Internet

1
Networks, Internet WWW

• Reading Materials
• Ch 7 of SG
• Additional Notes (from web-site)
• Contents
• Motivation for Networks
• Types of Networks and Their Structure
• Communication Protocols routing info
• Network Services / Applications
• Internet and WWW

2
Networks, Internet, WWW

• Context so far
• Use algorithm to solve problem
• Database used to organize massive data
• Algorithms implemented using hardware
• Educational Goals for this Chapter
• The computer as a tool for
• Communication and Collaboration
• Information Sharing
• Resource Sharing
• Shared Services

3
Go to SG-Chap07.ppt notes
4
WWW web-pages

• Web-pages are documents
• similar to any other document, but
• written in special web-languages
• html (hypertext markup language)
• xml (extensible markup language)
• Allows text, pictures, formatting, etc
• More sophisticated web-pages
• Dynamic pages (dhtml)
• Allows programming
• Pages with forms, questionnaires, etc
• Languages cgi, perl, jsp, asp, etc

5
WWW continued

• Tools for Creating Web-Pages
• Back to basics (eg UIT2201 pages)
• Frontpage, Dreamweaver, etc, etc
• Web-Sites
• Individual Servers
• Web-Hosting Servers
• Web Applications
• Forms, registration, etc
• ASP (Application Service Providers)

6
Additional Topics (from Readings)

• Additional Notes (at course website)
• Protocols
• Electronic Publishing
• Akamai
• Gifts from the Web