Computer Science, asked by shakeelahmed635, 1 year ago

Why is a networking software has layers? List and define the role of each layer of iso-osi model.

Answers

Answered by prashanth1551
1
The OSI Model - Features, Principles and Layers

There are n numbers of users who use computer network and are located over the world. So to ensure, national and worldwide data communication, systems must be developed which are compatible to communicate with each other ISO has developed a standard. ISO stands for International organization of Standardization. This is called a model for Open System Interconnection(OSI) and is commonly known as OSI model.
The ISO-OSI model is a seven layer architecture. It defines seven layers or levels in a complete communication system. They are:

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Datalink Layer

Physical Layer

Below we have the complete representation of the OSI model, showcasing all the layers and how they communicate with each other.

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