首先，UDP是无连接的。
What is an advantage of using a connectionless protocol such as UDP?
使用非面向连接的协议如udp的优点是哪一个？
UDP is a connectionless protocol and, as such, it can be easily spoofed.
是一个无连接的UDP协议，因此，它可以很容易地欺骗。
Because IP is a connectionless service, no explicit connection status is available.
由于IP是无连接的服务，所以没有明显的连接状态。
Furthermore, the connectionless transport service is also very similar to the connectionless network service.
另外，无连接的传输服务与无连接的网络服务也非常类似。
Furthermore, the connectionless transport service is also very similar to the connectionless network service.
另外，无连接的传输服务与无连接的网络服务也非常类似。
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