 | | | Aspera SCP software | Aspera SCP software 2005-05-16 - By Ben
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On Mon, 16 May 2005, Ed Wilts wrote:
> We're currently looking at the Aspera SCP software for intercontinental
> file transfers. Our initial tests have been successful (and much faster
> than FTP) but I'd like to know if anybody else is running it and what the
> opinions of both the company and product are.
So far the only thing I can see that Aspera SCP does that OpenSSH's scp
doesn't is cost money.
"The same application sustains 1 Mbps file transfers over T1 links, and
200-300 Mbps transfers over high-speed dedicated circuits, independent of
network conditions."
I asked some people who know a bit more about TCP than I do about this
page:
http://www.asperasoft.com/technology-fasp.html
and it seems it contains some blatantly false statements about TCP:
"When TCP's rate is self-limited on an uncongested link, FASP detects the
unclaimed bandwidth and ramps up to fill it".
This sounds like someone who thought that congestion collapse doesn't apply
to them. Personally it all sounds a bit dubious to be and I can't see why
you wouldn't use OpenSSH.
Ben
--
Unix Support, MISD, University of Cambridge, England
Plugger of wire, typer of keyboard, imparter of Clue
Life Is Short. It's All Good.
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