My favorite: the FedEx Analogy to explain the OSI layers, what each layer does and how they work together in protocol stacks.

Here’s the latest free tutorial, with embedded video of yours truly and my favorite analogy: the FedEx Analogy to explain the OSI layers, what each layer does and how they work together in protocol stacks.  Enjoy!

http://www.teracomtraining.com/online-courses-certification/samples/lesson1114-fedex-analogy.htm

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