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Many students of networking find the OSI Reference Model challenging to deal with. One main reason for this is that the model is somewhat abstract, making it hard to understand and even more difficult to apply to real networking situations. For this reason, I have included in this chapter a set of three tools that I hope will help you better understand and remember the OSI Reference Model's and concepts: an analogy, a set of mnemonics, and a summary table of OSI model layers.

Understanding the OSI Model: An Analogy

I have attempted in this discussion of the OSI Reference Model to provide as much a plain English ...

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