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Re: [Xen-users] Xen (SLES) vs VMWare Enterprise Plus and Essentials Plus


As an old Open Source advocate and former service delivery person for cloud 
software which included VMware in the stack, I tend to pause when people say 
they want to migrate to VMware.

VMware has a distinct view of the cloud and, in my experience, their actions 
frequently push users toward that view.  I have been working with cloud-like 
technologies since before the term "cloud" was coined, and I believe it is far 
too early to hitch one's wagon to any one corporate cloud horse.  Many of the 
most interesting cloud technologies are coming out of the Open Source world 
(look at CloudStack, OpenStack, and others), not from individual proprietary 

If I were an end user looking toward cloud (now or in the future), I would pick 
a neutral Open Source hypervisor dedicated toward making itself useful in 
whatever cloud which might appear on the horizon.  I would not want a closed 
source hypervisor which would always fit best in that vendor's view of the 
cloud, especially when many of the best cloud innovations are coming from 
outside of that company.

The choice is yours, but I would be examining other options.

These opinions are mine alone, not that of Xen Project or my employer.

Russ Pavlicek

From: xen-users-bounces@xxxxxxxxxxxxx [xen-users-bounces@xxxxxxxxxxxxx] on 
behalf of James Pifer [jep@xxxxxxxxxxxxxxxx]
Sent: Wednesday, January 15, 2014 10:56 PM
To: xen-users@xxxxxxxxxxxxx
Subject: [Xen-users] Xen (SLES) vs VMWare Enterprise Plus and Essentials Plus

Our company currently uses Xen on SLES11. Many people are pushing for
VMWare. I've done some searching, including this matrix here:

This matrix doesn't specifically cover xen/sles11 but does have Redhat
and XenServer, which are comparable. We also currently use a third party
application for central management of all servers, which provides HA, as
well as granular administrator assignments for support people, among
other things.

If cost was not a factor, are there any technical real reasons to NOT go
with VMWare vSphere? For example, using Enterprise Plus at the data
center and Essentials Plus at remote facilities. As far as I know VMWare
does not have a central management feature, where you can manage the
whole environment from one point, but I've heard that's coming?

I was hoping to hear from the experts on this list that have experience
with both. I honestly love my xen environment, at the same time, it does
have shortcomings, that I'm guessing VMWare would cover a lot better,
such as snapshots.

Anyway, if anyone is willing to comment I would appreciate it.


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