On Wednesday, 08/25/2010 at 09:10 EDT, "Graves, Aaron"
<aaron.gra...@citi.com> wrote:
> The implication is that these represent the leading edge of
virtualization,
> completely ignoring z/VM's capabilities.  This happens time after time,
> conference after conference and webcast after webcast.  It's almost like
z/VM
> with zLinux exists in some parallel universe that is outside the
perception of
> the distributed world.

You were expecting something different?  It is an advertisement from Red
Hat about Red Hat.  If they're trying to get business from VMware and
Microsoft, why should they throw System z into the mix when neither VMware
nor Microsoft offers a System z hypervisor?

IBM is in the virtualization business on ALL platforms, so don't expect it
to be in-your-face about one over the other.  Each has their place.  The
zEnterprise puts an even finer point on it, bringing z, p, and x
virtualization to one table.  "I'd like to teach the world to sing, in
perfect harmony..."  <group hug>

Any advertisement from any source will be slanted in some way to show
their product in the most favorable light.  That's why it's called
"advertising", not "information".  Some vendors take more care than others
to control the slant or include a footnote to identify it.  (Note that
IBM's use of words like "best" are relatively rare, since IBM will be
instantly challenged to provide evidence of the claim.)

If you want a scholarly examination of all virtualization, I think you'll
have to talk to a consultant who is competent in all platforms and
virtualization technologies.   But even after you've done that, you'll
still be faced with a fact you already knew: that sometimes z is better
than x, and sometimes x is better than z.  (repeat for all possible
combinations of z, p, and x.)

Alan Altmark
z/VM Development
IBM Endicott

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