How the OSI Model Shapes Modern Networking
Introduction Ever wonder how your emails, social media messages, or Netflix streams actually get to your device? Behind the scenes, the OSI model is the silent architect guiding all of that data traffic. Even if you've never heard of it, the OSI model is the blueprint for how modern networks talk to each other — reliably, efficiently, and securely. Understanding the Basics of the OSI Model What is the OSI Model? The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers. Each layer serves a specific function and communicates with the layers directly above and below it. Why Was the OSI Model Developed? Before the OSI model, different hardware vendors had their own protocols, making interoperability a nightmare. The OSI model was developed by the International Organization for Standardization (ISO) to solve this problem and enable open communication between diffe...