scp -c none (was Re: NFS client slow on amd64 6.2-PRERELEASE #2)

[Brooks Davis]

On Sun, Oct 08, 2006 at 11:05:55AM -0400, Brandon S. Allbery KF8NH wrote:
> 
> On Oct 8, 2006, at 10:54 , Oliver Fromme wrote:
> 
> >Jeremy Chadwick <freebsd at jdc.parodius.com> wrote:
> >>[...]
> >>It's really too bad the OpenBSD guys refuse to
> >>incorporate the HP (high-performance) patches into OpenSSH, and
> >>being able to say "-c none" would *really* help when it comes to
> >>benchmarking network I/O via scp
> >
> >I considered submitting the patch for official inclusion,
> >but the OpenSSH people would reject it because they call
> >it "insecure", and the FreeBSD people would reject it
> >because they say the patch should be submitted to the
> >OpenSSH people.  *sigh*  :-(
> 
> Actually, the openssh-portable folks are keeping an eye on the hpn  
> patches, but those are still evolving so PSC isn't willing to submit  
> them for inclusion.  Try searching the openssh list for discussion  
> about it.

The HPN patches are an available option in the port.

Intrestingly the HPN patches demonstrate that crypto overhead isn't all
the significant with modern hardware unless you're pretty close to
1Gbps.

-- Brooks
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