Computer Science Principles: The Internet

Explore the internet's history and the technology underlying the web, including IP addressing, web servers, URLs, and HTML.

Introduction

• Welcome
• What you should know

1. Internet Basics

• How the Internet was born
• Who manages the Internet?

2. Addressing and Routing Information

• Sending and receiving information
• The Internet Protocol and IP address
• Scaling up the Internet from IPv4 to IPv6
• The Domain Name Server and DNS
• Routers and directing requests
• Packets and fault tolerance
• Reliability and TCP

3. Web Servers

• Identifying a server with URLs
• HTTP and requests
• Hypertext and HTML
• Remembering requests with cookies
• Securing requests with SSL and TLS

4. Encryption

• Caesar's cypher and keys
• Improving security with longer keys
• Symmetric and asymmetric keys

Conclusion

• Goodbye