Re: [Xen-devel] Microsoft plans 'hypervisor' for Longhorn

[aq <aquynh@xxxxxxxxx>]

On 08 Jun 2005 02:21:04 +0100, M.A. Williamson <maw48@xxxxxxxxx> wrote:
> > Article mentions Xen as Microsoft's competition.
> 
> The MS hypervisor is a very interesting beast from our PoV: * drivers run
> in a dom0-like "parent" partition (cut down Longhorn) * "child" partitions
> devices are plumbed through this * VMM-aware OSes can use APIs called
> "enlightenments" (don't you usually achieve enlightenment through
> practising Zen? :-D) to avoid full-virt penalties
> 
> Their roadmap includes live migration and suspend-resume, USB
> virtualisation, etc.
> 
> It'll be interesting to see if they require hypervisor-enabled hardware or
> if they pull in the binary scanning / rewriting from VirtualPC. It'll also
> be interesting to see just how open their "open" device / VMM interfaces
> are: in particular, can Linux support them as a guest, can Xen fake them
> out to boost performance when running Longhorn guests?

yeah, i like this point: the chance for Xen to fake their hypervisor
to run Longhorn is really interesting ;-)

regards,
aq

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