Hour 17. The Internet: A Closer Look
What You’ll Learn in This Hour:
• Internet topology
• IXPs and POPs
• URIs and URLs
The ever-expanding Internet is the world’s biggest example of a TCP/IP network. This hour provides a brief overview the Internet’s structure. This discussion of the Internet continues over the next 3 hours, which cover the World Wide Web (Hour 18, “HTTP, HTML, and the World Wide Web”), HTML 5 (Hour 19, “The New Web”), and web services (Hour 20, “Web Services”).
At the end of this hour, you’ll be able to
• Briefly describe the structure of the Internet
• Recognize and describe the components of a uniform resource identifier
How the Internet Looks
You’ll have to look hard to find a description of what the Internet really is. ...
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