Quoting andrelst <[EMAIL PROTECTED]>:
On 2/7/06, thad <[EMAIL PROTECTED]> wrote:
HP, IBM and even Sun are now going to virtualization, way to go and
Mainframe can even be ported to it. A data center running on a cabinet.
IBM Blades server + VMware ESX = Data Center on a cabinet. Imagine 50
different OS running at the same time?
Xen could be the biggest threat to VMware.
And more... wait till Intel releases it's "Virtualization
Technology". If Intel delivers on their promises, Xen will be capable
of obliterating Vmware by transparently supporting windows(Xen does
not currently support windows.).
But then again, VMware ESX is linux based. Which to cheer upon... hmm...
There are many possible approaches to virtualization, and I think they
really won't threaten each other - each would have its own niche. For
example, partitioning would be good for cases wherein you'd only want
one OS image with multiple instances for segregation of processes. That
would result in a homogenous farm of virtual OS partitions (like
Solaris zones or BSD jails) - employing here a full LPAR with a
software or hardware hypervisor is just overkill.
Virtual machines such as VMWare would still exist for setups wherein
you can't just muck around with the kernel of your OS.
OTOH, for setups wherein heterogenous systems would coexist, hardware
hypervisor-based virtualization would really be good here, as you get
native performance.
The Intel and AMD virtualization techniques has still to beat big iron
IBM mainframes virtualization capabilities (think hundreds to thousands
of LPARs, on hardware that has a very good implementation of SMT and
SMP) though :)
--
Paolo Alexis Falcone
[EMAIL PROTECTED]
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