Ack: Indicates that the acknowledgment number field is significant.
ACK：表明确认号字段是有意义的。
The server answers with a packet where both the SYN and ACK flags are set.
服务器以设置了 SYN和ACK 标志的包应答。
In our dearth of ack-ack guns all sorts of contrivances were used.
在缺少高射炮的时候，我们利用了各种各样的巧妙方法。
Finally, the client confirms receipt with an ack packet (see Figure 4).
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)。
The server will acknowledge this by returning a packet with the ack flag set.
服务器将通过返回设置了ACK标志的包进行确认。
The Bi - RSVP provides resource reservation for ack packets to improve TCP performance.
该协议通过为反向ack数据包提供资源预留以提高TCP性能。
In response, the scanned host returns a packet with the SYN and ack flags set if the port is open.
如果该端口是打开的，则被扫描主机返回设置了syn和ack标志的包进行响应。
A SACK receiver, on the other hand, can issue an ack for 1 plus a SACK option for packets 3 through 9.
另一方面，SACK接收方可以发出包1的ACK和包3到包9的SACK选项。
Finally, the client confirms this by sending a TCP packet back to the server with the ack flag set.
最后，客户机通过向服务器发送设置了ACK标志的tcp包进行确认。
In normal operation, the remote client responds with an ack packet that moves the half-open connection to fully open.
在正常操作中，远程客户机用一个ACK数据包进行响应，这会使半开的连接转换为全开的。
Ack-Requested: This element lets the client determine whether an acknowledgement should be returned for a message sent.
Ack - Requested：这一元素允许客户端来决定对于发送的消息是否需要确认。
The tcp_input () routine on the client side processes the SYN ACK packet, and calls tcp_output () to send an ACK packet back to the server.
客户端上的 tcp_input ()例程处理SYNACK包，并调用 tcp_output ()将 ACK 包发回到服务器。
Likewise, the receiving side must not only agree to send back an ack once they receive a message, but they must ignore any duplicate messages.
同样，接收方不仅要同意一旦收到消息，立刻返回一个ack，还必须忽略任何重复的消息。
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。
同样的问题又发生了！
This ACK indicates that all messages have been received.
ACK表明所有的消息都已经收到了。
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。
The Buy Ack action you just created meets this requirement for the Buy event.
您刚才创建的BuyAck操作满足Buy事件的这个要求。
The ACK signal 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。
The client selects the value of its SACK options whenever transmitting a delayed ACK.
在传输延迟的应答时客户机选择SACK选项的值。
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。
Guarantee levels: Tribes supports 3 levels of message delivery guarantee (NO_ACK, ACK, and SYNC_ACK).
有保证的消息传递：保证级别：Tribes支持3个级别的消息传递保证(NO_ACK、ACK和SYNC_ACK)。
TCP congestion control and ACK mechanism are thoroughly discussed and thus improved in this dissertation.
本文主要从tcp的拥塞控制和确认机制两方面进行研究和改进。
When the destination formulates its response, it includes an additional SOAP header (the ACK) in the message.
当目的地阐明其响应时，它在消息中包含一个附加的SOAP消息头 (ACK)。
In the paper a group ACK mechanism based on EDCF-CFB is put forward, and its efficiency is analyzed theoretically.
本文在EDCF - CFB的基础上提出了一种群ack确认机制并从理论上进行了分析。
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