I want to know, what is OSI model?
OSI stand for open system interconnection model and it is ISO standard that covers all the aspects of network communications.
It is a layered framework for the design of network systems that allows communication between all types of computer system.
OSI model introduce in late 1970s.
Simply OSI model is not a protocol; it is a model for understanding and designing network architecture.
7 Layers in OSI model:
- Physical Layer
- Data link layer
- Network Layer
- Transport Layer
- Session Layer
- Presentation Layer
- Application Layer