[THIN] Re: quick question on virtualization platforms

If you want a really good look at the performance impacts of ESX and Xen,
you should go to the Brian Madden site and see the video of Ron Oglesby
sharing the results of tests of the two platforms. Ron has been doing this
test for 3 years, and each year the differences in performance have
significantly changed. From a performance point - the new Xen hypervisor
releases look pretty darn good.

-----Original Message-----
From: thin-bounce@freelists.org [mailto:thin-bounce@freelists.org] On Behalf
Of Brian Ehlert
Sent: Tuesday, September 09, 2008 2:57 PM
To: thin@freelists.org
Subject: [THIN] Re: quick question on virtualization platforms

The only reason that I mention it is becuase there are a bunch of
VMWare pro folks out there that consider it a short coming of the
other platforms.

Frankly, arguments can be made all ways.

The hypervisor will slowly become a commodity driving the focus from
the hypervisor to other virtualization items and to the management
experience, which will become a more important differentiator (it is
currently a consideration).

And sooner or later that world will change as well - as standards come
into play that are currently still in flux.

On Tue, Sep 9, 2008 at 11:40 AM, Joe Shonk <joe.shonk@gmail.com> wrote:
> I wouldn't call oversubscribing the host's memory a plus. It's one of
those
> things you have to be really careful about.
>
> -----Original Message-----
> From: thin-bounce@freelists.org [mailto:thin-bounce@freelists.org] On
Behalf
> Of Brian Ehlert
> Sent: Monday, September 08, 2008 10:41 AM
> To: thin@freelists.org
> Subject: [THIN] Re: quick question on virtualization platforms
>
> IMHO:
>
> At this point in time (as things are changing) VMware has two plusses
> over the others in the current and immediate future:
> 1) host memory over-commitment
> 2) VM portability across hardware (as in all devices are 100% emulated
> thus no hardware redetection in the guest OS at all).
>
> I first cut my hypervisor teeth on ESX just prior to Virtual Center
> and even the advantage that Virtual Center gave VMware in the past
> couple years is quickly disappearing.
>
> The decision is quickly coming down to cost, features, and familiarity.
>
> Do you really need VMotion? or is QuickMigration / Live Migration good
> enough?
> Do you really need DRS? (many have it, few really _use_ it)
> Are you recommending VMWare just becuase you are familiar with it (and
> vice-versa)?
>
> Either way, the playing field of features is quickly flattening.
>
>
>
> On Mon, Sep 8, 2008 at 9:12 AM, Kevin Stewart <kevin.g.stewart@gmail.com>
> wrote:
>> Gurus and associated experts,
>>
>> I work for a company with a HUGE investment in VMware ESX and I can
safely
>> say that I am very knowledgeable in the product(s). I now have an
>> opportunity to build a new virtualization infrastructure for another
> company
>> and I'm toying with the idea of stepping out of my comfort zone to look
at
>> products like XenServer, MS Hyper-V, or Virtual Iron. I understand that
> this
>> is mainly a Citrix/RDP list, but I would also assume that many, or most
of
>> you, are experts in one VM solution or another. Can anyone with
experience
>> in VMware and one or more of the other products offer up your insite into
>> the differences, strengths and weaknesses of each? All of the vendors
have
>> their own comparison models, so I'm really looking for personal
> experience.
>>
>> Thanks in advance.
>> K Stewart
>>
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