Peter Chacko wrote: > Did you consider VirtualBox ? Of course VmWare is the market leader > NOW, but if you plan to invest on future open source platforms, You > should choose KVM(which is now Linux native) or XEN.( Its unlikely to > be killed). KVM still lag behind in terms of enterprise-class features > , but count on it for future investment. So, i think you should just > start off with Xen or virtualBox, with a migration plan to KVM in > future. VBox has surely its strengths on non-Linux hosts and hosts without virtualization acceleration. But I would carefully evaluate its performance under relevant load: http://permalink.gmane.org/gmane.comp.emulators.virtualbox.devel/2796 I recently learned from someone doing Xen consulting that it's still troublesome to get it running on non-certified hardware. This may have impact on the hardware choice. For hosting Linux-on-Linux, I would also consider containers, e.g. lxc or OpenVZ. Performance-wise, that's generally the most efficient approach. Jan
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