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showipintbri / dear_robert_graham.md
Created May 12, 2023 20:13
Can you explain the OSI model in a way that convinces Robert Graham (@ErrataRob) it's a real thing and that it is a worthwhile learning tool?

Certainly! The OSI (Open Systems Interconnection) model is a conceptual framework that helps us understand and describe how network protocols and systems interact with each other. While some argue that the OSI model is overly complex and not directly applicable to real-world networking, it still holds significant value as a learning tool. Here's an explanation that aims to convince Robert Graham about its importance:

Dear Robert Graham,

I understand your skepticism regarding the OSI model and its practicality in real-world networking. However, I'd like to present a case for the OSI model as a worthwhile learning tool.

The OSI model provides a structured and systematic approach to understanding network communication. It breaks down the complexities of networking into seven distinct layers, each representing a specific function or aspect of the network. These layers include the Physical, Data Link, Network, Transport, Session, Presentation, and Application layers.

By using the OSI model as a reference, netw