Packet switching does have the problem that it takes a little time to break up the data "conversations" into many packets, send them on their different ways and then reassemble them at the other end.
分组交换也有缺点，需要花一些时间将数据“通话”拆分为多个分组，使用不同通道传输这些分组，然后在接收端将分组重新组装。
A packet sniffer could be used to extract messages and reassemble into a complete form the traffic from a process, allowing it to be reverse engineered.
一网络分析可以用来提取邮件和组装成一个完整的交通形式从一个过程，允许它是逆向工程。
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