On Jul 19 11:58:21, David Diggles wrote: > I am looking for ways to speed up scp over 10GigE. > With parallel transfer of 4x 8GB files, I get > the following test results with various ciphers. > > These tests maxed out 4 cores with encryption overhead. > > SSH Options: [] > 42.19127261151704773780 MB/s > 41.32435720074992870891 MB/s > 41.22255300977449037448 MB/s > 35.14314848096707088842 MB/s > SSH Options: [-o Cipher=arcfour] > 42.29364755264296110810 MB/s > 41.33048144476525498397 MB/s > 40.66949911950141243635 MB/s > 34.96835809940579522864 MB/s > SSH Options: [-o Cipher=blowfish] > 41.31823477141503563833 MB/s > 41.17589132764324310451 MB/s > 40.60436476031948831063 MB/s > 37.93828213333256503154 MB/s > SSH Options: [-o Ciphers=arcfour] > 63.46934728314239543624 MB/s > 63.12456133140056259549 MB/s > 60.76352210664413222751 MB/s > 58.96905384031456559350 MB/s > SSH Options: [-o Ciphers=blowfish-cbc] > 41.30803475295660396171 MB/s > 41.07683306590647371566 MB/s > 41.01843094015703567390 MB/s > 37.04298839486332491988 MB/s > SSH Options: [-o Ciphers=aes256-ctr] > 35.52817257150550157716 MB/s > 35.12986798313667520325 MB/s > 34.83586359188837309574 MB/s > 33.97713352365103381419 MB/s > SSH Options: [-o Ciphers=3des-cbc] > 14.26907486929738814750 MB/s > 14.23944679498915951801 MB/s > 14.12143966591359995680 MB/s > 13.70012503702996703140 MB/s
have you also tried -o 'Compression no'? > The data itself is not sensitive and does not really need > to be encrypted, although "security" policy between the organisations > involved may prohibit disabling of encryption. :-/ > > Any suggestions? I have searched the list for "scp 10gigE" > and only found the following post in 2004. > > >On Thu, 18 Nov 2004, Jonathan Weiss wrote: > > > >> Hi folks, > >> > >> Somebody had a look at http://www.psc.edu/networking/projects/hpn-ssh/ ? > >> > >> Greets, > >> Jonathan > > > >Lessee, pulling Chris Rapier's card out of my pocket. I read the poster > >presentation at SuperComputing04 last week in Pittsburgh. Looks > >interesting but I'm not so sure how useful it would be in real world > >commodity networks. > > > >I'm planning on setting up some boxen with the patched ssh when I get back > >from next week's US Holiday, but I work in a world where 10GigE is already > >installed to selected servers and workstations. > > > >diana > > Is there any interest or further development with high bandwidth scp > since 2004?
