HUT Comms.
Lab, Timo O. Korhonen
16
The
ISO-OSI Model
LAN Network
7.
Application
6.
Presentation
5.
Session
4.
Transport
3.
Network
2.
Data Link
1.
Physical
7. Application
6. Presentation
5. Session
4. Transport
3. Network
2. Data Link
1. Physical
Network
Network
….
Data Link
Data Link
….
Physical
Physical
….
System A
System B
OSI: Open System
Interconnections
ISO: International
Organization for Standardization