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Oversight. Wc3.org Standards body Ensure interoperability with HTML Growth of the web. Structure. Organization Backbone; ISPs; T1s Content HTML, other languages and W3C Browsers Client-side Servers Access ISPs; cable modem; broadband. Domain Name System and IP Address and Cookies.
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Oversight • Wc3.org • Standards body • Ensure interoperability with HTML • Growth of the web
Structure • Organization • Backbone; ISPs; T1s • Content • HTML, other languages and W3C • Browsers • Client-side • Servers • Access • ISPs; cable modem; broadband
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
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
Caching and Firewalls • Caching • Client-side • Server-side • Google cache example • Firewalls • Company • Country (China)
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