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RE: [Xen-users] KVM vs XEN source

  • To: Pandu Poluan <pandu@xxxxxxxxxxx>, Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Zary Matej <matej.zary@xxxxxxxxx>
  • Date: Sat, 20 Aug 2011 22:50:43 +0200
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Cc:
  • Delivery-date: Sat, 20 Aug 2011 13:52:11 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcxZlJHwkEt1oIUZQzaFuDINEj0nwQF4yy7a
  • Thread-topic: [Xen-users] KVM vs XEN source

>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
>[xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Pandu Poluan 
>Sent: 13 August 2011 10:37
>To: Xen User-List
>Subject: Re: [Xen-users] KVM vs XEN source
>Just to add something anecdotal:
>In my country, when people talk about virtualization (meaning: server
>consolidation), they will talk about baremetal hypervisors, i.e.,
>VMware, Hyper-V, and XenServer.
>No one -- not even some IT SysAdmins I know who are rabid Linux
>'evangelists' -- uses KVM.
>As to why exactly, I don't know. But what I know is that in my country
>it's relatively easy to find support for VMware, Hyper-V, and
>XenServer. But no reputable System Integrator I know is familiar with
>When one's handling a mission-critical back-end infrastructure for a
>multi-million dollar company, one wants full support (IOW, if anything
>bad happens, I can whack the head of someone else).

Not 100% correct, you are comparing whole virtualization products with basic 
hypervisor. You can compare XEN with KVM, when talking about hypervisors... but 
when talking about virtualuzation solutions, let's talk about XenServer, Oracle 
VM and RHEV for example. And be sure, that you can get full support from Red 
Hat for RHEV. ;) RHEV had slow start (due to Qumranet's decision to base the 
management tools on MS platform), but the next version coming in very close 
future looks very promising (no need for MS platform anymore - they migrated 
the management tools from .NET/MSSQL to JAVA/PostgreSQL). Let's hope that both 
XEN and KVM toolstacks will find some common code usage (QEMU, SPICE, maybe 
OpenVSwitch) to not waste too much energy on doing the same thing just some 
other way. :)


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