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.
它是一种测量网络性能的方法，不应该把它当作性能指标，因为它使用无连接的传输机制。
As a method for measuring the performance of a network, it should not be relied on as a performance metric because it USES a connectionless transport mechanism.
根据定义，使用无连接传输机制发送的数据包并不保证能够到达目的地，在通信中允许丢失数据包。
By definition, packets sent using connectionless transport are not guaranteed to reach their destination, and so dropped packets are allowed in the communication anyway.
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