The document discusses several application layer protocols in the OSI model including HTTP, SMTP, DNS, and others. It provides details on HTTP such as its client-server architecture using TCP, common request methods like GET and POST, and default port 80. It encourages exercises using tools like telnet and Wireshark to explore HTTP requests and responses. SMTP and DNS are also introduced along with instructions to experiment sending email and performing DNS lookups to better understand these protocols.

1. Application layer

2. OSI model Application layer

3. Actually covers Application

4. Presentation

5. Session

6. Application achitechture Peer-to-peer Client/server

7. Application layer protocols To be discussed HTTP

8. SMTP

9. DNS Other examples HTTPS

10. Streaming

11. FTP

12. HTTP You know this one Client/Server or P2P?

13. TCP or UDP? A standard RFC 1945 and 2616

14. HTTP questions What is the relationship between HTTP and HTML?

15. What is GET and POST?