Or, in slightly fewer words: there's a reason ethernet, IP, and UDP packets aren't encoded in JSON. It's that when you have to encode a lot of a thing, and the

Or, in slightly fewer words: there's a reason ethernet, IP, and UDP packets aren't encoded in JSON. It's that when you have to encode a lot of a thing, and the encoding is relatively expensive compared to the rest of the processing that needs to be done on that thing, having inexpensive encoding is important.