search for: xensosp

...; operating systems execute in ring1. User code runs in ring3, as usual. They have linux running under xen ;) The project''s home page is at http://www.cl.cam.ac.uk/Research/SRG/netos/xen/ and one paper describing the whole thing is here: http://www.cl.cam.ac.uk/netos/papers/2003-xensosp.pdf And Linus replied: This is what I alluded to [in a previous comment] - saying that if you move the driver down to ring1, then you should move _everything_ down to ring1 and just leave a microkernel at ring0. Now, I''m not big on microkernels, but a pure virtual machine a...

I saw the presentation "Virtualization of Linux Servers" at OLS last month and it had some nice comparisons of Xen performance vs a lot of other virtualization/container technologies: http://ols.fedoraproject.org/OLS/Reprints-2008/camargos-reprint.pdf As always with benchmarks, there are questions to ask and points to quibble, but overall Xen looks quite good... except on Dbench. Has

Hello everyone! A collegue and I are beginning development on a site that will eventually need to very scalable (assuming our business model is a good idea). My problem is that I''m not a sysadmin guru, and I''m not terribly comfortable with the design of the hosting platform. We''re going to start with two servers initially (for cost reasons), and I''m considering