This is the best explanation I've read about TCP vs UDP in more than two decades! I like that it describes them in terms of goals ("If you prioritise X over Y,

This is the best explanation I've read about TCP vs UDP in more than two decades! I like that it describes them in terms of goals ("If you prioritise X over Y, then use..."), not mechanics like stream-oriented. I wish more technology choices were presented in terms of the fundamental tradeoffs in high-level goals rather than mechanics of the particular abstraction.