MDA - internet/ftp/ftp-client

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ftp-client

communicates-via

- FTP Server [ communicator ]
- FTP, File Transfer Protocol [ protocol ]

transforms-commands

- FTP User Command [ incoming ]
- FTP Protocol Command [ outgoing ]

- FTP Client

Types:

is a client

Comment:: interprets the commands that the user enters
Comment:: client establishes communication over the "control connection" (port 21) with a specified server to transfer files
example: ftp (UNIX, Windows), ncftp (UNIX), browsers (read-only), WinFTP (Windows)