Xen and the art of the virtualization. Tao Yang CS708 19/04/07. Acknowledge. Paul Barham, Boris Dragovic, Keir Fraser,Steven Hand,Tim Harris,Alex Ho,Rolf Neugebauer,Ian Pratt,Andrew Warfield.
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Xen and the art of the virtualization. 2003ACM Symposium on Operating Systems Principles (SOSP)
A.Whitaker,M.Shaw,and S.D.Gribble. Scale and performance in the Denali isolation kernel.In Proceedings of the 5th Symposium on Operating System Principles(OSDI 2002),ACM Operating Systems Review, Winter 2002 Special Issue
Bryan Clark,Todd Deshane,Eli Dow, Stephen Evanchik,Matthew Finlayson,Jason Herne,Jeanna Neefe Matthews. Xen and the Art of Repeated Research. USENIX 2004 Annual technical conference
---A middle layer can solve most of problems
Here are some examples to show the advantage of virtualization
Guest operating system don’t need any modification and execute on VM just as it would on physical machine.
Completely decoupling the software from hardware
helps to provide complete isolation of applications
Not good performance. VM monitor have to provide an image of entire system, include virtual BIOS, virtual memory space, virtual devices.
Not supported by IA-32,or x86, architecture.
Any question about the ring?
This paper is published 2003 just after the Xen 1.0 released. By now,these future work have been completed!