On Sat, 23 Mar 2013 12:23:04 -0400
Pablo Sanchez <pa...@blueoakdb.com> wrote:

> [ Comments below, in-line ]
> 
> On 03/23/2013 12:16 PM, Stephan von Krawczynski wrote:
> >
> > How about the guest network device? Lets assume I want to virtualise
> > a nfs-server and some clients on the same host. This would make the
> > network between them kind of "virtual", too. My assumption is that
> > the "network speed" is only dependant on the cpu power. And of
> > course it would be better if there is less emulation going on.
> 
> Hi Stephan,
> 
> You're right that CPU is required to drive network traffic however
> depending on the Host O/S' processor(s), it's usually not much.
> 
> If I were you, I'd run a few micro-benchmarks using something like
> netstrain [1] to get a baseline.  I'd run it on the Host, then within
> an uncapped VM, then cap a VM, etc.  You can run through the different
> permutations and see whether you're resource constrained.
> 
> [1] - http://netstrain.sourceforge.net/
> 
> Cheers,

Hi Pablo,

thanks for taking up. Have you ever benchmarked such a completely-virtual
network throughput? Is there some idea what can be expected?

-- 
Regards,
Stephan 

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