Difference Between TCP/IP and OSI Model
TCP/IP Model | OSI Model |
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The TCP/IP model stands for Transmission Control Protocol/Internet Protocol model. | The OSI model stands for the Open Systems Interconnection model. |
It is a concise and practical networking model widely used in internet and network communication. | It is a conceptual framework that standardizes network communication protocols. |
The TCP/IP model has four layers: Network Interface, Internet, Transport, and Application. | The OSI model has seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. |
The Network Interface layer handles the physical connection and data transmission over the network. | The Physical and Data Link layers handle physical connections, framing, and error detection and correction. |
The Internet layer handles the addressing and routing of data packets across different networks. | The Network layer handles the logical addressing and routing of data packets. |
The Transport layer provides reliable data delivery and error control using protocols like TCP and UDP. | The Transport layer provides end-to-end communication, segmentation, and reassembly of data. |
The Application layer supports various application-level protocols for specific services like HTTP, FTP, and DNS. | The Application layer supports application-specific protocols and interfaces for user applications. |
The TCP/IP model is based on actual implementation and practical network protocols used in the real world. | The OSI model is a theoretical framework that provides a common language and reference for networking concepts. |
The TCP/IP model is widely adopted in internet communication and networking protocols. | The OSI model is used for educational purposes, protocol design, and understanding network communication principles. |
The TCP/IP model’s layers are more loosely defined and can overlap in terms of functionality. | The OSI model’s layers have well-defined and distinct functionalities without overlapping. |
TCP/IP model is a practical and widely used networking model with four layers, focusing on real-world implementation and internet protocols.
The OSI model is a conceptual framework with seven layers, providing a standard reference for networking protocols and concepts. Both models serve as valuable tools for understanding and designing network communication, but the TCP/IP model is more commonly used in practice.