Thanks for this nice DOS FTP server!
I installed it under FreeDOS 1.0 in VirtualBox 4.1.4 (32 MB RAM) and
on a real machine (Compaq Contura Aero 4/33 20MB RAM).
I then compared the performance of mTCP ftpsrv with other DOS
FTP-servers. The competition was: EZ-NOS 2 [1], Datalight sockets ftpd
[2], WATT32 ftpsrv32 [3] and SwsSock ftpd [4].
Client was Filezilla 3.5.1 on a MacBook Pro 2011 with OS X 10.6.8.
I transferred a mp3 song (Dylan/Cash: Girl from the North Country)
with 8934148 bytes. The results:
Upload from Mac to DOS server
real machine virtualbox
EZ-NOS 2 75 sec. 4 sec.
Datalight Sockets 61 sec. 4 sec.
WATT32 ftpsrv32 21 sec. 11 sec.
mTCP ftpsrv 24 sec. 4 sec.
SwsSock ftpd 32 sec. 4 sec.
Download from DOS server to Mac
real machine virtualbox
EZ-NOS 2 154 sec. 135 sec.
Datalight Sockets 70 sec. 4 sec.
WATT32 ftpsrv32 31 sec. 2 sec.
mTCP ftpsrv 23 sec. 2 sec.
SwsSock ftpd 94 sec. 77 sec.
Datalight sockets works as TSR in the background so that may be a
reason for its lack of speed in some tests. EZ-NOS 2 and SwsSock ftpd
were very slow downloading the file. So I tested them a second and a
third time, but came to the same result.
As you can see mTCP ftpsrv shows a very good performance.
regards
Ulrich
[1] EZ-NOS 2 (GPL 2) is a descendant of KA9Q and has been developed by
Ken. His site <http://www.dossolutions.pwp.blueyonder.co.uk/eznos.htm>
is defunct, which is a real loss for every user interested in DOS
networking. A working mirror can be found here:
<http://s1.stalker-source.tk/Ftp/dossolutions/eznos.htm>
[2] Datalight Sockets is a commercial software that enables embedded
DOS systems to connect to the internet. A free single user version for
non-commercial purposes can be downloaded here:
<http://www.datalight.com/resources/sockets-single-user-network-add-on-suna-4-20-1594>
[3] WATT32 ftpsrv32 (probably GPL 2) is an example app by the WATT32
developers and can be found here:
<http://www.filegate.net/utiln/utilnet/wt32apps.zip>
[4] SwsSock is cross platform networking library. It comes with the
source code and is called freeware. Companies and other organisations
need a license, though. I used ftpd.exe from the prebuilt DOS examples
a bit further on the page.
<http://www.softsystem.co.uk/products/swssock.htm>
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