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.

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。