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The first stable OpenVZ releaseThe first stable OpenVZ releasePosted Dec 9, 2005 14:22 UTC (Fri) by madscientist (subscriber, #16861)In reply to: The first stable OpenVZ release by riel Parent article: The first stable OpenVZ release
I agree that _IF_ the OpenVZ model allows for much more efficient utilization of resources that it would be a valuable addition to the kernel, and worth having both types of virtualization available.
Just a point, though: "true paranoia" is not the only reason to choose a UML/Xen model. At work, for example, we develop embedded software, and we use UML as a simulation environment. We can run three, four, or even more "virtual machines" on our desktops using UML, and hook them together with networking. Obviously we don't want to be forced to run the same kernel on our desktops that we use in our embedded system.
As another example, at home I'm forced to use a proprietary VPN solution to work from home (that's the only method they support for remote access). This solution has a binary-only kernel module and as with all such modules, they only support a limited set of kernel versions. I can use UML to run a virtual machine with the correct kernel version to connect to work, while still using the kernel I prefer natively.
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