📖 2. Network Model Types

📖 From Data Communication and Networks • 181 questions available

About 2. Network Model Types

Network models provide a structured framework that divides the complex task of communication into smaller, manageable layers, where each layer has a specific function and interacts only with its immediate neighbors. The most famous model is the TCP/IP suite, which serves as the practical foundation of the modern internet, while the OSI model acts as a theoretical reference guide for understanding how different protocols should interact across seven distinct layers.

Using a layered architecture offers significant advantages, including modularity, interoperability, and easier troubleshooting, because changes in one layer do not necessarily affect others. Each layer adds its own header information to the data unit as it moves down the stack at the sender and removes it as it moves up at the receiver, ensuring that diverse hardware and software systems can communicate seamlessly through standardized interfaces and services.

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🔄 Last updated: 2026-07-31