Xen kan er gebruik van maken, maar het is zeker niet noodzakelijk;
With hardware CPU virtualization as provided by Intel VT and AMD Pacifica technology, the ability to run an unmodified guest OS kernel is available. No porting of the OS is required, although some additional driver support is necessary within Xen itself. Unlike traditional full virtualization hypervisors, which suffer a tremendous performance overhead, the combination of Xen and VT or Xen and Pacifica technology complement one another to offer superb performance for para-virtualized guest operating systems and full support for unmodified guests running natively on the processor. Full support for VT and Pacifica chipsets will appear in early 2006.
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Xen currently runs on the x86 architecture, requiring a ``P6'' or newer processor (e.g. Pentium Pro, Celeron, Pentium II, Pentium III, Pentium IV, Xeon, AMD Athlon, AMD Duron). Multiprocessor machines are supported, and there is support for HyperThreading (SMT). In addition, ports to IA64 and Power architectures are in progress.
http://tx.downloads.xenso...CTION01130000000000000000
Het is zeker WEL noodzakelijk als je windows wil draaien onder Xen, dus wat Shuriken zegt klopt.
Overigens zijn mijn ervaringen dat Xen 3.0x nogal onstabiel is(maar heb nog geen ervaring met 3.03).
De mogelijkheden beginnen echter steeds beter te worden. Zeker in combinatie met Xensource(commercieel) kan dit in de toekomst een mooie concurrent worden voor VmWare.
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