Computer Networking

What's Important

Chapter 1
- Packet Switching vs Circuit Switching
- Internet structure
  - Peering
  - Relationships between ISPs
  - Internet Exchange (IX)
- Networks Delays
- Why Layer Architecture?
Chapter 2
- HTTP
- DNS (concepts)
Chapter 3
- TCP
Chapter 4
- Forwarding
- Routing
- Sec. 4.4
- Hierchachical Routing + BGP
Chapter 5
- Why/When error control?
- Simplex / Duplex distinction
- TDMA / FDMA
- MAC
- Ethernet Switching
Chapter 6
- Everything is Important
Chapter 7
- “Bonus” !!