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Full Discussion: sending larger files via ftp
Top Forums UNIX for Advanced & Expert Users sending larger files via ftp Post 302074594 by Corona688 on Wednesday 24th of May 2006 10:50:14 AM
Old 05-24-2006
T1 maxes out at 150 kilobytes per second, so 766KBytes/s is actually... pretty good. Or maybye you have something else. Not to mention, the point of fiber is often distance and noise-immunity rather than bandwidth. So you still haven't really given much info on what your connection's rated for, sadly.

I'm guessing compression wouldn't help much unless the file is very repetetive, or the transmitting system very fast CPU-wise. However I have found compression useful under some situations(generally in combination with the udpcast multicast tool, with which I've been able to achieve 99% of rated speed on a TCP/IP link -- at the expense of all other traffic on the link however Smilie). lzop in particular is designed to be realtime compression.

this thread on google groups shows a few tips. Window size is apparently important.

Last edited by Corona688; 05-24-2006 at 12:05 PM..
 

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SIMPLEFTP(1)						      General Commands Manual						      SIMPLEFTP(1)

NAME
simpleftp - rudimentary ftp client SYNOPSIS
simpleftp ftp://... [ ... ] DESCRIPTION
simpleftp is a perl script that provides basic support for fetching files with FTP in a batch oriented fashion. It takes one or more ftp URLS on the command line. The file(s) will be retrieved from the remote server and placed in the current directory with the same basename as on the remote; i.e., ftp://ftp.isc.org/pub/usenet/CONFIG/active.gz is stored as active.gz in the current directory. BUGS
simpleftp is an extremely poor substitute for more complete programs like the freely available wget or ncftp utilities. It was written only to provide elementary support in INN for non-interactive fetching of the files in ftp://ftp.isc.org/pub/usenet/CONFIG/ without requir- ing administrators to install yet another package. Its shortcomings as a general purpose program are too numerous to mention, but one that stands out is that simpleftp does not understand the complete syntax of URLs, only the hostname and pathname parts -- it will not under- stand username, password, port or parameter strings. HISTORY
Tossed off by David C Lawrence <tale@isc.org> for InterNetNews. SEE ALSO
actsync(8). SIMPLEFTP(1)
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