π‘ 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#
1. Physical
γ
€ - Cables, NIC
γ
€ - Everything you can touch
2. Data link
γ
€ - Ethernet, Switches
3. Network
γ
€ - IP, Routers
4. Transport
γ
€ - TCP, UDP
5. Application
γ
€ - HTTP, FTP, SMTP