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Nothing yet, I was a bit lost on where to start. People here were kind enough to give me a few good starting points, so I think I’ll go from there. Thanks for linking the explanation of the OSI-model! I remember that from uni, not much of the actual content though. From what I heard in this thread is seems like a good place to go from.
Yes, I mean it’s used for transactions in the programming sense of the word. Turns out financial transactions require that as well. I assume the same goes for nuclear stuff. There is just very little risk to come across uncertainties when the language is that old (and the people who use it hehe - tbf it pays super well).
Edit: at least to my very limited knowledge