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Safe Hardware Access with the Xen Virtual Machine Monitor

Authors (if Research)
Keir Fraser, Steven Hand, Rolf Neugebauer, Ian Pratt, Andrew Warfield, Mark Williamson
Country
United Kingdom
Operating Regions
Operating Countries
Safe Hardware Access with the Xen Virtual Machine Monitor
Published at OASIS ASPLOS 2004 Workshop Abstract: The Xen virtual machine monitor allows multiple operating systems to execute concurrently on commodity x86 hardware, providing a solution for server consolidation and utility computing. In our initial design, Xen itself contained device-driver code and provided safe shared virtual device access. In this paper we present our new Safe Hardware Interface, an isolation architecture used within the latest release of Xen which allows unmodied device drivers to be shared across isolated operating system instances, while protecting individual OSs, and the system as a whole, from driver failure.
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