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Re: [Xen-users] Re: [quagga-users 10975] Re: Quagga on Xen - Latency / Bandwidth?

On Wed, Jul 29, 2009 at 03:19:44PM -0400, Lennart Sorensen wrote:
> On Wed, Jul 29, 2009 at 02:57:04PM -0400, Alexis Rosen wrote:
> > But the question is still of significant importance to a lot of Quagga  
> > users. Thus, I suggest that it is an appropriate topic for the list.
> > 
> > Here's my earlier reply, which I (again, damnit) failed to send to the  
> > list from an authorized address:
> Well i haven't tried xen myself, but from what I hve read I/O
> performance is not as fast as native would be.  kvm seems to be the only
> virtualization system with just about native I/O speed.  paravirt is
> close too, but requires of course a paravirt compatible guest.

Getting a bit offtopic, but I believe Xen paravirt guests are still faster 
on I/O speed than KVM guests (using virtio drivers), based on recent IBM 

-- Pasi

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