OSI (Open System Interconnection) Model
The OSI model, or Open System Interconnection Model, is a framework used for communication between software applications on different computers via a physical medium with different abstraction layers.
Layers in The OSI Model
In the OSI Model, there are seven layers and every layer has different functions this model, it's named:
- Physical Layer
- Data-Link Layer
- Network Layer
- Transport Layer
- Session Layer
- Presentation Layer
- Application Layer