> TCP vs. UDP and async best-effort vs. synchronous are completely orthogonal… I agree, when stuff is properly written. I don't remember the exact details, but

> TCP vs. UDP and async best-effort vs. synchronous are completely orthogonal… I agree, when stuff is properly written. I don't remember the exact details, but at least with UDP the asyncness is built-in: there is no backpressure whatsoever. So poorly written software can just send udp to heart's end.