Safe hardware access with the Xen virtual machine monitor

Safe hardware access with the Xen virtual machine monitor (2004)

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by Keir Fraser , Steven Hand , Rolf Neugebauer , Ian Pratt , Andrew Warfield , Mark Williamson

Venue:	IN 1ST WORKSHOP ON OPERATING SYSTEM AND ARCHITECTURAL SUPPORT FOR THE ON DEMAND IT INFRASTRUCTURE (OASIS
Citations:	137 - 8 self

BibTeX

@INPROCEEDINGS{Fraser04safehardware,
    author = {Keir Fraser and Steven Hand and Rolf Neugebauer and Ian Pratt and Andrew Warfield and Mark Williamson},
    title = {Safe hardware access with the Xen virtual machine monitor},
    booktitle = {IN 1ST WORKSHOP ON OPERATING SYSTEM AND ARCHITECTURAL SUPPORT FOR THE ON DEMAND IT INFRASTRUCTURE (OASIS},
    year = {2004},
    publisher = {}
}

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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 unmodified device drivers to be shared across isolated operating system instances, while protecting individual OSs, and the system as a whole, from driver failure.

Keyphrases

xen virtual machine monitor safe hardware access driver failure unmodified device driver operating system instance server consolidation commodity x86 hardware virtual device access new safe hardware interface utility computing initial design individual os isolation architecture