The third dimension you will want to explore is where you want to work in the stack.

The OSI model and career layers

Here, we can explore a mental model inspired by the OSI Model. The OSI Model provides a mental framework for how different technologies like HTTP, TCP, IP, and 802.11 come together, each solving their assigned problems and (for the most part) seamlessly interoperating (with the help of some Narrow Waists).

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