Re: Paravirtualisation or not?

2009-05-05 Thread Javier Guerra
Pantelis Koukousoulas wrote: > On Tue, May 5, 2009 at 11:37 AM, Stefan Hajnoczi wrote: > Sure, closed-source virtio-net drivers exist (in fact there is a newer > version than the one > you linked. I think it is 12/2008 distributed as an iso). The point > (and the advantage > of Xen in this area) i

Re: Paravirtualisation or not?

2009-05-05 Thread Pantelis Koukousoulas
On Tue, May 5, 2009 at 11:37 AM, Stefan Hajnoczi wrote: >> If a set of drivers essentially implementing the virtio framework >> (virtio_pci, virtio_ring, virtio queues) were available for >> windows, that would be *really* neat. > I haven't tried them myself but I think this will give you virtio-n

Re: Paravirtualisation or not?

2009-05-05 Thread Stefan Hajnoczi
> If a set of drivers essentially implementing the virtio framework > (virtio_pci, virtio_ring, virtio queues) were available for > windows, that would be *really* neat. I haven't tried them myself but I think this will give you virtio-net for Windows: http://sourceforge.net/project/showfiles.php?g

Re: Paravirtualisation or not?

2009-05-04 Thread Pantelis Koukousoulas
> - paravirtualized drivers widely available both for Linux and Windows > (Xen's drivers on windows can be hard and/or expensive to get) Well, Xen has GPL PV drivers for windows (at least for networking) which KVM doesn't have. There is a promise but no date attached to it. If a set of drivers es

Re: Paravirtualisation or not?

2009-05-04 Thread Javier Guerra
On Mon, May 4, 2009 at 9:49 AM, howard chen wrote: > On Mon, May 4, 2009 at 10:44 PM, Pasi Kärkkäinen wrote: >> On Mon, May 04, 2009 at 10:40:00PM +0800, howard chen wrote: >> Yes, paravirtualization is good. If running KVM, use paravirtualized network >> and disk/block drivers for better perform

Re: Paravirtualisation or not?

2009-05-04 Thread Pasi Kärkkäinen
On Mon, May 04, 2009 at 10:40:00PM +0800, howard chen wrote: > Hey, > > I am comparing Xen and KVM to see which one is suitable for me usage. > > > From the FAQ: > http://www.linux-kvm.org/page/FAQ#What_is_the_difference_between_kvm_and_Xen.3F > > It said: > > >> kvm does not support paravirt

Re: Paravirtualisation or not?

2009-05-04 Thread Glauber Costa
On Mon, May 4, 2009 at 11:49 AM, howard chen wrote: > On Mon, May 4, 2009 at 10:44 PM, Pasi Kärkkäinen wrote: >> On Mon, May 04, 2009 at 10:40:00PM +0800, howard chen wrote: >> Yes, paravirtualization is good. If running KVM, use paravirtualized network >> and disk/block drivers for better perfor

Re: Paravirtualisation or not?

2009-05-04 Thread howard chen
On Mon, May 4, 2009 at 10:44 PM, Pasi Kärkkäinen wrote: > On Mon, May 04, 2009 at 10:40:00PM +0800, howard chen wrote: > Yes, paravirtualization is good. If running KVM, use paravirtualized network > and disk/block drivers for better performance. So does it mean generally Xen is more optimized th

Paravirtualisation or not?

2009-05-04 Thread howard chen
Hey, I am comparing Xen and KVM to see which one is suitable for me usage. >From the FAQ: >http://www.linux-kvm.org/page/FAQ#What_is_the_difference_between_kvm_and_Xen.3F It said: >> kvm does not support paravirtualization for cpu but may support >> paravirtualization for device drivers to i