Introduction - If you have any usage issues, please Google them yourself
Use UDP to achieve a reliable file transfer we all know that if we use TCP to transfer files, it will be very simple, simply do not have to worry about will be packet loss, unless the network is broken, you must re. If using UDP, since UDP is unreliable, so use it to transfer files, it is necessary to ensure that packet loss, you must write our own extra code to protect the