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OSI model

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What is the OSI model? Memorize each of its seven layers

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What is the OSI Model (Open Systems Interconnection Model)?

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OSI Model Layer 7 - Application

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Lower layers of the OSI model | Networking tutorial (7 of 13)

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OSI Model Layer 1 Physical

The Open Systems Interconnection model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. Its goal is the interoperability of diverse communication systems with standard protocols. The model partitions a communication system into abstraction layers. The original version of the model defined seven layers.
    • History 

    • Definitions 

    • Layer architecture 

    • Cross-layer functions 

    • Programming interfaces 

    • Comparison with TCP/IP model