Asynchronous server to send UDP packet, the client received UDP packet and write.

服务器端异步地发出UDP包，客户端接受UD P包并写入。

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If you need the acceptance letter before you can get the financial documents, then please write a note to the school stating this fact and include it with your application packet.

如果你需要在你得到财务文件之前就有接收信，请给学校写封信说明这一事实，将其附在你的申请文件里。

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Now using "zero copy" to improve this process: When the net card will catch the data packet later directly to write about the sharing memory, such treating processes reduced at least duplication.

利用“零存储”技术对传统的抓包过程进行改进：当网卡抓到数据包以后直接写到共享内存，这样的一个处理过程减少了至少一次复制。

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