The Internet and World Wide Web

CSE 190 M (Web Programming), Spring 2008

University of Washington

Reading: Ch. 0: Introduction

Except where otherwise noted, the contents of this presentation are © Copyright 2008 Marty Stepp and Jessica Miller and are licensed under the Creative Commons Attribution 2.5 License.

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The Internet

The Internet

  • the Web is the collection of web sites and pages around the world; the Internet is larger and also includes other services such as email, chat, online games, etc.

Brief history

Key aspects of the internet

People and organizations

Web Servers and Browsers

Layered architecture

The internet uses a layered hardware/software architecture (also called the "OSI model"): OSI model

Internet Protocol (IP)

Transmission Control Protocol (TCP)

Domain Name System (DNS)

Uniform Resource Locator (URL)

More advanced URLs

Hypertext Transport Protocol (HTTP)

HTTP error codes

Web programming technologies