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*Do you know what OSI Model is?


Suggested page: How do OSI Model layers work in computer networking?

The OSI Model, developed in 1984 by the International Organization for Standardization (ISO), is a framework that standardizes network communication into seven distinct layers, each with specific responsibilities. Instead of focusing on hardware or protocols, it describes how data flows between applications on different devices. Each layer operates independently while working together to enable communication.

The 7 Layers of the OSI Model are also known as the Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, and Application Layer.

Why is it so important?

  • Standardization: It provides a universal method of communication, ensuring compatibility between vendors and technologies.
  • Clear Communication: It helps professionals identify and resolve issues effectively, often referencing specific layers like “Layer 3” or “Layer 7.”
  • Design Guidance: By compartmentalizing functions, it simplifies building scalable, modular networks and adopting new technologies.

Without the OSI Model, today’s multi-vendor networking environments would lack the structure needed for seamless integration.

If you want to know more about this topic, make sure to take a look at the following article about the OSI Model!