As mentioned earlier, the sending side must agree to continually resend a message until it receives an ACK for that message.
正如前面提及的那样，发送端必须同意持续重新发送消息直到它收到该消息的ACK。
If you do not receive a response from the server after a certain amount of time, then resend the message.
如果在一定的时间以后您并没有收到服务器的响应，再重新发送消息。
If the request was a simple query request with no important side effects, then the requester could resend the message on a new connection (assuming one can be established).
如果请求只是一个没有重要副作用的简单查询请求，则请求方可以在新连接上重发消息(假设能够建立一个连接)。
Suppose a response goes missing. The server wants to resend that message to the client.
假如某回应消息丢失，服务端就需要向客户端重发消息。
NEW Multiple attempts to resend a failed message.
多种尝试来重发一个失败的消息。
To send them a message, you even have to resend a friend request!
如果想给他们发信息，甚至得重新发送好友申请！
To send them a message, you even have to resend a friend request!
如果想给他们发信息，乃至得从新发送好友申请！
The receiving system commits the message to safe storage in a manner that releases the sending system from any obligation to resend the message.
确认回覆-讯息层接收系统确认讯息已安全收到，以免让发送系统为了确保成功而一直持续重送讯息。
And specially, to short message service center (SMSC), this paper present a new workload-based resend policy of SMSC for workload adaptability.
针对短消息中心，本文提出了一种具有负载适应性的短消息重发策略——基于负载的重发策略。
And specially, to short message service center (SMSC), this paper present a new workload-based resend policy of SMSC for workload adaptability.
针对短消息中心，本文提出了一种具有负载适应性的短消息重发策略——基于负载的重发策略。
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