英语翻译The immediate policy is simple and keeps the sending TCP

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/03 20:30:30

英语翻译
The immediate policy is simple and keeps the sending TCP entity fully informed,which limits unnecessary retransmissions.However,this policy results in extra segment transmissions,namely,empty segments used only to ACK.Furthermore,the policy can cause a further load on the network.Consider that a TCP entity receives a segment and immediately sends an ACK.Then the data in the segment are released to the application ,which expands the receive window,triggering another empty TCP segment to provide additional credit to the sending TCP entity.
Because of potential overhead of the immediate policy,the cumulative policy is typically used.Recognize,however,that the use of this policy requires more processing at the receiving end and complicates the task of estimating round-trip delay by the sending TCP entity.

嘿嘿,这个偶懂,讲TCP滑动窗口控制的.
不过太长啦,偶是不愿意没事干这活的～
见偶的回信把,TCP的慢启动机制
立即策略简单而且保持发方TCP实体足够知晓,这样就限制了不必要的重传.然而,这种策略会造成多余的段传输,比如有用来发送ACK（确认帧）的空段.而且,它会造成网络的进一步负载.考虑一个TCP实体接受到一个段后立即发送ACK,然后段中的数据被释放给应用进程,这样就扩大了接受窗口,触发了另一个空的TCP段来提供额外的信用数给发方TCP实体.

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