Re: [Xen-users] The future of para-virtualization

[Mihai DonÈu <mihai.dontu@xxxxxxxxx>]

On Mon, 11 Jun 2012 16:18:04 +0200 Dario Faggioli wrote:
> > Para-virtualization outperforms full-virtualization at the cost of
> > compatibility. 
> >
> So, if I can ask, do you mind explaining a bit more what you mean with
> this sentence above? More specifically, when you say "at the cost of
> compatibility", what are the compatibility costs you are referring to?
> 

I think he's referring to the fact that paravirtualization requires
extensive support from the guest OS. Linux and some flavors of BSD have
such support, but it's trickier with Microsoft Windows. I think there's
some work on that front too, but I don't know how far it got[1].

[1] http://en.wikipedia.org/wiki/Xen#Microsoft_Windows_systems_as_guests

> Just out of curiosity and for the benefit of the on-going
> discussion. :-)
> 

-- 
Mihai DonÈu

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