Application Layer 1 - Web/HTTP and Email

Learning Goals

After this week, you will understand the following concepts

• Web/HTTP
  • non-persistent vs. persistent connections
  • request/header/status/body
  • cookies (optional readings)
  • Web cache/proxy
• Email
  • user agent
  • mail server
  • SMTP/POP3/IMAP

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Preparations for week #4 RAT 02

To know more about networking, we will be using the book Computer Networking: A Top Down Approach, 8^th edition.

Mandatory Readings

• 125-135 (Sec. 2.2.1–2.2.3),
• 138-142 (Sec. 2.2.5),
• 146-152 (Sec. 2.3)

Recommended Further Readings

• 135-138 (Sec. 2.2.4)

Videos

The Web and HTTP

Email

Self-checks

• The Web and HTTP
• Email