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RE: [Xen-devel] KXen preview now available

To: Jun Koi <junkoi2004@xxxxxxxxx>, "Christian.Limpach@xxxxxxxxx" <Christian.Limpach@xxxxxxxxx>
Subject: RE: [Xen-devel] KXen preview now available
From: Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>
Date: Wed, 1 Apr 2009 18:43:51 +0100
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Cc: Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Johnston <Peter.Johnston@xxxxxxxxxx>, Peter
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Thread-topic: [Xen-devel] KXen preview now available
> Sorry but it seems my question is not so clear. I am asking about KXen
> as the hypervisor, but not about guest support.
> I should restate my question as: Currently the hypervisor for Windows
> OS is available for download (as XP/Vista/7 are supported). How about
> the (KXen) hypervisor for Linux? When is it available? And will that
> target upstream, and use virtops? And is there any significant
> difference with KVM?

Porting kxen to a linux host wouldn't be hard, but it's not clear it's worth 
the effort: there isn't a huge installed base of linux desktops that would 
benefit from having a kernel module that adds type-2 virtualization 
capabilities, and KVM serves the hosted linux virtualization market already. I 
guess someone could do just to embarrass KVM for performance and features :-) 

Windows and Mac OSX are the obvious host OSes to concentrate on. I think 
there's real value in being able to target the same xen code base to both true 
bare metal type-1 and type-2 hosted use cases -- it yields a lot of development 
efficiency and gets xen into places where deploying a type-1 might be tricky 
e.g. user-owned laptops with existing OS installs.  

> I guess the answer will be "that is not ready now", but some
> information about future plan would be helpful.
> Thanks,
> J
> >    christian
> >
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