[scponly] Transmission times

[christian.schwabl at chello.at]

Hello,
Hello,

you can try to use a weaker encryption for large transfers or transfers in private networks to minimize CPU load.
I tend to use "scp -c blowfish ..." for transfer > 50mb.
There are similar settings in WinSCP (or other clients i guess) to select Blowfish (there are others).

regards,
cs

> 
> Von: Jeroen Scheerder <Jeroen.Scheerder at phil.uu.nl>
> Datum: 2006/01/09 Mo PM 07:31:38 CET
> An: "Lou Piccoli" <lou_piccoli at hotmail.com>
> Cc: scponly at lists.ccs.neu.edu
> Betreff: Re: [scponly] Transmission times
> 
> Lou Piccoli (9/1/06) [[scponly] Transmission times]:
> 
> >Since moving to scponly from ftp, transmission times for the same
> >amount of
> >data has tripled at best. Can anyone tell me why the increase in time to
> >transmit, is it because of the packet confirmations being done, are they
> >being done?
> 
> I think that what you're seeing is overhead induced by encryption, and
> possibly compression.
> 
> On slower network links, the network is probably the bottleneck.  But
> with high-speed interconnectivity the cpu activity that comes with
> encryption/compression may prove limiting.
> 
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