TCP always sends packets in order, and doesnt drop any packets. If a packet is lost, its resent, and you have to just sit there and wait.
UDP has no error control. If it gets through, it gets through, if not, its lost. The packets are in no guaranteed order. It might sound bad, but TCP is much worse for real time gaming.
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TCP = bad for network play.
TCP always sends packets in order, and doesnt drop any packets. If a packet is lost, its resent, and you have to just sit there and wait.
UDP has no error control. If it gets through, it gets through, if not, its lost. The packets are in no guaranteed order. It might sound bad, but TCP is much worse for real time gaming.