		FTP Dup - v0.01

FTP Dup allows you to transfer files between two FTP servers directly,
opening a control connection to each server.
In this way you don't have to download data from the first server, and
upload it to the second. Transferred data is sent DIRECTLY between the
two servers. Data don't flow in your machine.
      


                   Control     ------------   Control
                    ---------->|   FTP    |<-----------
                    |          |   Dup    |           |
                    |          |          |           |
                    V          ------------           V
            --------------                        --------------
            | Server-FTP |   Data Connection      | Server-FTP |
            |    "A"     |<---------------------->|    "B"     |
            --------------                        --------------

This diagram is from RFC959 (FTP).


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