[csw-maintainers] High Performance SSH (HPN - SSH)

Yann Rouillard yann at pleiades.fr.eu.org
Sat Feb 11 18:10:20 CET 2012

Hi everybody,

I also compiled and put in my experimental repository an (experimental) 
openssh package compiled with the High Performance patches applied:

You can easily install them with the following commands:
pkgutil -t http://buildfarm.opencsw.org/opencsw/experimental/yann -U
pkgutil -t http://buildfarm.opencsw.org/opencsw/experimental/yann -i 
openssh openssh_client

I made some tests and noted a sligh improvement in a localhost scp test 
with (30 MB/s -> 35 Mb/s). However according to the website, HPN SSH 
should not make a lot of difference in a local network but rather across 
the internet. If someone could help to do some more test, it would be great.

Note that there is currently a problem with the multi-threaded cipher 
and forking so I will probably not enable this cipher in the end unless 
this problem is solved.


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