Oversight

1
Oversight

• Wc3.org
• Standards body
• Ensure interoperability with HTML
• Growth of the web

2
Structure

• Organization
• Backbone ISPs T1s
• Content
• HTML, other languages and W3C
• Browsers
• Client-side
• Servers
• Access
• ISPs cable modem broadband

3
Domain Name System and IP Address and Cookies

• Alphanumeric mapping
• Control content based on IP of client
• Amazon.co.uk example
• China example
• Cookie file
• Personalize presentation
• Add layer of authentication w/ IP address

4
Additional Languages

• CSS
• Customize presentation across site separate file
  / in header / in code
• XML
• Extends html to create own variable names, for
  describing data (author, title, date, extract)
• Server-side scripting language
• Javascript, .asp, .php
• Client-side scripting language

5
Caching and Firewalls

• Caching
• Client-side
• Server-side
• Google cache example
• Firewalls
• Company
• Country (China)

6
Some unique aspects of the web medium

• Top-down versus mediated
• Distributed medium
• Cost of publishing
• Author index control
• Growth issues
• Elitist medium (cost and complexity)
• Speed (bandwidth)
• Security and privacy