即,我能够使用两个不同的线程读取和写入相同的套接字,因为我正在以数据报的形式进行所有通信?
UDP, in the right circumstances, can be considered fully duplex, but by itself, it is not, whereas TCP, on the other hand, is always fully duplex.
UDP is a fire-and-forget, best-effort protocol, but the upper layers can use it in a fully duplex fashion.
TCP requires handshaking and other two-way communication.
UDP IS in fact fully duplex.
You can have a server listening from as well as writing to the same socket
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