In some digital communication protocols, ACK is the name of a signal that data has been received successfully (for example, with an acceptable number of erro).
在一些数字通信协议，ACK的名字是一个信号，数据已经收到成功(例如，使用一个可接受的埃罗)。
2
The ACKsignal is usually an ASCII character that is reserved for that purpose.
应答信号通常是一个保留的ASCII字符。
3
By analyzing RTT's component, it is found that various transmitting delay and delayed ACK bring obvious errors in using RTT as the signal of network congestion, and affect DCA algorithms' veracity.