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Next time you see that, point out that the hardware is itself basically virtualized to monolithic OS's with microcode, shared I/O, and multiplexed buses. A version could work for unikernels if that worked for UNIX. Performance issues come more from how it's applied than the concept itself.

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I think you guys might find Arrakis interesting: https://arrakis.cs.washington.edu/ it won Best Paper at OSDI '14 and demonstrates a possible way to better use things like virtio.

That was interesting. Thanks for the link. I'll read the full papers later. Meanwhile, both Arrakis and FlexNIC are now in my collection. :)

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