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亚星游戏官网-yaxin222  新兵

注册:2007-4-25
发表于 2007-4-25 11:08:00 |显示全部楼层
<p>&nbsp;&nbsp;&nbsp; 关于在linux下用Ethereal这个工具来分析TCP的规律, 小弟有几个问题想请教高手回答一下,救命的。谢谢感激不尽<br/>1 What happens to the size of the transmit window when a packet is lost?<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 当一个传送包丢失时, 传送窗口的大小如何改变?<br/>2 At&nbsp; what stage is the re-transmission sent, and how many packets are retransmitted when one is lost?<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 重新发送是在如何一个过程? 当一个包丢失, 多少包需要重新发送?<br/>3 what is the options field in the TCP header for a duplicate acknowledgement. what is it used for?<br/>&nbsp;&nbsp; 关于TCP header的 option field <br/>4 when you download a file from a sever,Try and work out what is going on. Sketch the graph of which packets arrive when, and explain in as much detail as you can what is going on. <br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 当你从一个服务器下载一个文件,具体发生了什么,尽可能详细<br/></p>

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