This ACK indicates that all messages have been received.
ACK表明所有的消息都已经收到了。
For the non-SACK test cases, I used the typical length of the delayed ACK queue reported by the client as an approximation of the lower bound of the sender's window size.
对于非sack测试用例,我使用客户机报告的延迟应答队列的典型长度作为发送方窗口大小的近似值。
The ACK request needs to be configured just like the INVITE request created previously.
ACK请求需要像前面创建的INVITE请求那样配置好。
If we received the response from the second UAS, we need to send an ACK to the first UAS.
如果我们接收了来自第二个UAS的响应,则需要将ACK发送到第一个UAS。
The client has a configurable option to add the SACK information relating to the most recently arrived data onto each ACK as it is transmitted.