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linux.inet.hr: Finally user-friendly virtualization for Linux

Dec 30, 2006, 02:00 (0 Talkback[s])

[ Thanks to Nobody for this link. ]

"There are several approaches to virtualization, today. One of them is a so called paravirtualization, where the guest OS must be slightly modified in order to run virtualized. The other method is called "full virtualization", where the guest OS can run as it is, unmodified. It has been said that full virtualization trades performance for compatibility, because it's harder to accomplish good performance without guest OS assisting in the process of virtualization. On the other hand, recent processor developments tend to narrow that gap. Both Intel (VT) and AMD (AMD-V) latest processors have hardware support for virtualization, tending to make paravirtualization not necessary. This is exactly what KVM is all about, by adding virtualization capabilities to a standard Linux kernel, we can enjoy all the fine-tuning work that has gone (and is going) into the kernel, and bring that benefit into a virtualized environment."

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