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  1. OSI model - Wikipedia

    The Open Systems Interconnection (OSI) model is a reference model developed by the International Organization for Standardization (ISO) that "provides a common basis for the …

  2. What is OSI Model? - Layers of OSI Model - GeeksforGeeks

    2025年12月16日 · The OSI (Open Systems Interconnection) Model is a set of rules that explains how different computer systems communicate over a network. OSI Model was developed by …

  3. What Is the OSI Model? - 7 OSI Layers Explained - AWS

    The Open Systems Interconnection (OSI) model is a conceptual framework that divides network communications functions into seven layers. Sending data over a network is complex because …

  4. What is the OSI model? The 7 layers of OSI explained - TechTarget

    2025年5月22日 · The OSI model (Open Systems Interconnection model) is a multilayered reference model that shows how computer systems and applications communicate over a …

  5. What is the OSI model? - IBM

    The Open Systems Interconnection (OSI) model is a conceptual model that divides network communication and interoperability into seven abstract layers.

  6. OSI Model: Complete Guide to the 7 Network Layers - Codecademy

    In this article, we explored the OSI model and its seven layers, each playing a key role in how data moves across networks. From the physical transmission of bits to user-facing protocols, …

  7. The OSI Model: Definition, Layers, Benefits Explained

    2025年4月3日 · The Open Systems Interconnection (OSI) model is a conceptual framework that explains how computers communicate over a network. It was defined by the International …

  8. What is the OSI Model? - Cloudflare

    The open systems interconnection (OSI) model is a conceptual model created by the International Organization for Standardization which enables diverse communication systems to …

  9. What is the OSI model? How to explain and remember its 7 layers

    The Open Systems Interconnect (OSI) model is a conceptual framework that describes networking or telecommunications systems as seven layers, each with its own function.

  10. OSI Model Explained: The 7 Layers Every Networking Pro Must Know

    What is the OSI model? Learn the 7 layers of the OSI model explained with real-world applications, a TCP/IP comparison, and why it still matters in networking today.