最后，客户机使用一个ACK报文确认已接收到报文(请参见图4)。
Finally, the client confirms receipt with an ack packet (see Figure 4).
经全双工(双向同时)数据链路，不用专门(确认)报文返回确认信息所用的技术。
A technique used to return acknowledgement information across a full-duplex (two-way simultaneous) data link without the use of special (acknowledgement) message.
实验结果表明，在可以接受的冲突概率下，tcp流首报文的顺序号和确认号的部分高位比特可以用来作为流标签。
The experimental results suggest that some bits in the TCP sequence number and acknowledgment number can be selected out as flow ID with acceptable confliction probability.
如果在报文段中的数据未确认之前定时器超时，TCP就认为该报文段已经丢失或出现损坏，从而重传这一报文段。
If the timer expires before data in the segment is acknowledged, TCP assumes that the segment has lost or being damaged, and a retransmission is sent.
与一个方向的报文流有关的确认信息钳在反方向正常携带数据的报文流中。
The acknowledgement information relating to the flow of message in one direction is embedded (piggybacked) into normal data-carrying message flowing in the reverse direction.
与一个方向的报文流有关的确认信息钳在反方向正常携带数据的报文流中。
The acknowledgement information relating to the flow of message in one direction is embedded( piggybacked) into normal data-carrying message flowing in the reverse direction.
经全双工(双向同时)数据链路，不消专门(确认)报文返回确认信息所用的技巧。
A technique used to return acknowledgement information across a full-duplex (two-way simultaneous) data link without the use of special (acknowledgement) message.
提出了一种基于成组确认的滑动窗口协议改进算法，该算法规定接收方根据发送方要求对一组数据报文进行统一确认。同延迟确认相比，大大减少了ACK数量，并消除了延迟ACK对传输效率的影响。
This paper puts forward a GACK-based improved algorithm of slide window protocol, which asks that receiver sends an acknowledgement for a group of packets according to sender's request.
每发出一个报文段，TCP就设定一个定时器并等待确认信息。
Once sending a segment, TCP sets a timer and waits for the ACK.
每发出一个报文段，TCP就设定一个定时器并等待确认信息。
Once sending a segment, TCP sets a timer and waits for the ACK.
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