The Open Systems Interconnection (OSI) model describes seven layers that computer systems use to communicate over a network. The OSI model is divided into seven distinct layers, each with specific responsibilities, ranging from physical hardware connections to high-level application interactions. Each la...
This tutorial is the third part of the article. It compares the OSI reference model with the TCP/IP model and lists the similarities and differences between both. TCP/IP Reference Model Explained This tutorial is the fourth part of the article. It explains the five layers of the TCP/IP mod...
The OSI model is divided into seven layers to represent network architecture. Each layer performs its own set of tasks and communicates with the layers above and below it to carry out successful network transmission. Let us discuss all of the layers and their properties in a ‘top down’ mann...
The OSI layer model explained If you've ever heard an IT student muttering, "A priest saw two nuns doing pushups," you've heard about the OSI layer model. The terms are a bit technical, and students often struggle to remember them. But dig in, and you'll discover that the layers a...
The OSI Model Explained 7 Layers of the OSI Model OSI Model Example Lesson Summary Frequently Asked Questions What is OSI model used for? The OSI model is a reference model for how different communication protocols work. The model is often used when discussing the different parts of ...
The most popular packet-based structure of layers, or protocol stack, is called the OSI model (Open System Interconnection) created by ISO.
OSI Model Explained What’s the OSI model? The Open Systems Interconnection (OSI) model is a framework that conceptualizes how computers within a network communicate. It splits this process into seven distinct layers, each one playing a specific role within the overall operation. ...
The Open Systems Interconnection (OSI) model defines a networking framework to implement protocols in layers, with control passed from one layer to the next. It is primarily used today as a teaching tool. It conceptually divides computer network architecture into 7 layers in a logical progression....
OSI Model Explained: The OSI 7 Layers We’ll describe OSI layers “top down” from the application layer that directly serves the end user, down to the physical layer. 7. Application Layer The application layer is used by end-user software such as web browsers and email clients. It provide...
The OSI Model is structured into seven distinct layers, each with a specific set of functions and responsibilities, as explained in the next section. Core Functions of the OSI Model The OSI Model operates by allowing each of its seven layers to perform specific functions while relying on th...