OSI model:
- OSI stands for Open System Interconnection is a reference model that describes how information from a software application in one computer moves through a physical medium to the software application in another computer.
- OSI model was developed by the International Organization for Standardization (ISO) in 1984, and it is now considered as an architectural model for the inter-computer communications.
- OSI consists of seven layers, and each layer performs a particular network function.
Functions of the OSI Layers:
There are the seven OSI layers. Each layer has different functions. A list of seven layers are given below
- Physical Layer
- Data-Link Layer
- Network Layer
- Transport Layer
- Session Layer
- Presentation Layer
