A separate connection is used for measurement, during which the control session remains without traffic (other than that required by some TCP options).
使用另一个连接执行度量，在此期间保留控制会话但是没有通信流(除非某些TCP选项需要通信)。
A separate connection is used for measurement, during which the control session remains without traffic (other than that required by some TCP options).
使用另一个连接执行度量，在此期间保留控制会话但是没有通信流(除非某些TCP选项需要通信)。
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