NDLI: A new I/O device virtualization modelon Xen

Content Provider	IEEE Xplore Digital Library
Author	Du Yi Yue-Hao Yan Linping Li
Copyright Year	2012
Description	Author affiliation: School of Computer, Sichuan top IT Vocational Institute, Chengdu, China 611743 (Du Yi) \|\| Department of Computer Engineering, Chengdu Technological University of China, China 611730 (Yue-Hao Yan) \|\| School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China (Linping Li)
Abstract	Generally, the I/O device speed was slower because each guest domain was not well considered to be executed on virtual machine monitor (VMM). In other words, the guest domain has some problems in the architecture of communication and data transmission on VMM. The I/O device virtualization models in virtual machine (VM) environments require involvement of a VMM and/or a privileged VM for each I/O operation, which may turn out to be a performance bottleneck for systems with high I/O demands. This paper explores the relationship between domains in a Xen and I/O performance. We find the causes of those problems and suggest a new design to improve its performance. We propose a new device virtualization model called Xen-bypass I/O, which extends the idea of OS-bypass originated from user-level communication.
Starting Page	406
Ending Page	409
File Size	601772
Page Count	4
File Format	PDF
ISBN	9781467316842
DOI	10.1109/ICWAMTIP.2012.6413523
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Xen Virtual Machine Monitor Abstracts I/O Device Software Virtualization
Content Type	Text
Resource Type	Article

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