首次出现在1971年4月的文件传输协议(FTP)，仍然是一种将文件从一台设备传输到另一台设备的简便手段。

The file Transfer Protocol (FTP), which first appeared in April 1971, remains a simple way to move files from one device to another.

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因此，设计和实现一种简便的基于TCP的文件传输协议，完成宿主机之间的文件传输。

With the exploration of principles and implement of file transfer, a convenient and fast TCP-based file transfer protocol is designed and conducted between the host computers.

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