📡 TCP/IP model
5 layer model
Protocol suite that pre-dates the OSI model
Difference between TCP and OSI
The TCP model combines application, session and presentation layer together into the application layer
Layers:
- Physical
- Cables, NIC
- Everything you can touch
- Data Link
- Ethernet, Switches
- Network
- IP, Routers
- Transport
- TCP, UDP
- Application
- HTTP, FTP, SMTP