Answer to Question #35482 in Programming & Computer Science for Sara

Question

What is the OSI model? Short answer

Answer 1

Open Systems Interconnection - is a layered, abstract description for communications and computer network protocol design, developed as part of the Open Systems Interconnection initiative.
The OSI is divided into 7 layers, which divides the task into smaller more manageable task groups. Each task or group of tasks assigned to each layer can also be implemented independently. This limits complications between layers because the solutions offered by one layer do not adversely affect the other layers. Here are 7 layers:
- Application
- Presentation
- Session
- Transport
- Network
- Data Link
- Physical