Today we again talk about a fairly generic concept: enveloping. The concept is pretty easy: we envelope something when we enclose it, or place it inside something else. That's essentially how many protocols inter-relate in a layered protocol suite, like TCP/IP. You can actually see this enveloping relationship if you ever examine the actual traffic flowing across a network. In today's snack I'll you a definition, a quick explanation, and take you through an example from a real-world scenario.

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