The Secrets of Virtual Benchmarketing
87 days ago

Marketing and benchmarking can lead to some pretty smart, but very misleading results. As promised, I shall give you a very good example of it. One promoted by some of the smartest people industry in fact. But first, a bit of background.
If you read our article about the nuts and bolds of virtualization, you might remember that paravirtualization is one of the best ideas in the virtualization space. Basically, a paravirtualized guest OS is adapted so that it hands over control to the hypervisor whenever it is necessary. One of the big advantages is that the hypervisor has to intervene much less than hypervisors which do not use paravirtualized guest OSs. Xen, the flagship of paravirtualization, has a lot of other tricks to offer excellent performance, such as the fact that drivers in the guest OS are linked to real native linux drivers (in domain 0).
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