Getting deeper into v6. KVM & Xen - why did LT implement 2 and which one?


danioj

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Hi All,

 

Well I guess the topic says it all. As I look into Virtualisation on v6 I realised there are two ways to go. KVM or Xen??

 

I have to wonder why LT implemented two methods of virtualising on v6. I mean why not go with one and then at least everyone is heading in the same direction too! Obviously LT is pushing the use of Dockers - but of course thats only for Linux based applications.

 

It "appears" (to me at least) what Xen seems to be "favoured" but I still don't know. Do we now have an idea if one is going to be phased out in favour of the other?

 

I'd be interested in any opinion!

 

Daniel

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KVM has been the default for virtualization for quite some time. Initially Tom chose Xen for virtualization (early 6.0 betas). That decision was changed after a few beta releases in favor of KVM. As I recall, the primary reason provided is passthrough, in particular video passthrough, is more reliable. For those with working Xen VMs from the early betas, Tom continues to support Xen as a boot option. For those without legacy Xen VMs, KVM is the recommended virtualization engine to use.

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