First is the definition of this Acknowledgment or ACK; both SOAP stacks must understand what an ACK is : what it looks like, what it means, and how to send it. 首先是Acknowledgment或者ACK的定义;两个SOAP堆栈都必须理解ACK是什么:其像什么,它意味着什么,以及如何发送它。
Third, in the acknowledgment signal ACK within the time information packet is also insisted by way of non-access channel. 在ACK确认信号的时间τA内的信息分组也采用非坚持方式接入信道。