Posts

Showing posts from March, 2024

"OSI Layer"

Image
What is an OSI Layer? The OSI Model The OSI (Open Systems Interconnection) Model is a conceptual framework that standardizes and categorizes the functions of a telecommunication or computing system into seven abstraction layers. Each layer in the model is responsible for specific tasks related to network communication, and the model as a whole provides a systematic way of understanding and designing network protocols and systems. The OSI Model was developed by the International Organization for Standardization (ISO) to facilitate interoperability and standardization in network communication. Layers of OSI: Application Layer (7) Presentation Layer (6) Session Layer (5) Transport Layer (4) Network Layer (3) Data Link Layer (2) Physical Layer (1) Before we dive into the description and functions of these layers, let's first talk about the role or purpose of the OSI Model: The OSI Model acts like a helpful guide for making sure that different electronic devices (like computers ...