| 基于Xen的I／O准虚拟化驱动研究 |
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| 引用本文： | 胡冷非,李小勇.基于Xen的I／O准虚拟化驱动研究[J].计算机工程,2009,35(23):258-259. |
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| 作者姓名： | 胡冷非 李小勇 |
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| 作者单位： | 上海交通大学信息安全工程学院,上海,200240 |
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| 基金项目： | 国家"863"计划基金资助项目"网络计算环境下的虚拟执行技术" |
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| 摘 要： | 针对全虚拟化下客户端虚拟机无法“感知”虚拟机监视器的问题，对基于Xen的I／O准虚拟化驱动进行研究，通过实验可知，准虚拟化驱动能够消除全虚拟化方式下虚拟机监视器“黑箱”特性的限制，可以实现和虚拟机监视器的密切配合，从而提高I／O性能。在虚拟机Xen的全虚拟化环境中加入准虚拟化驱动，采用对比测试方法验证了该驱动能大幅提升网络性能。
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| 关 键 词： | I/O虚拟化 准虚拟化驱动 Xen虚拟机 |
| 修稿时间： | |
Research on I/O Para-Virtualization Driver Based on Xen |
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| HU Leng-fei,LI Xiao-yong.Research on I/O Para-Virtualization Driver Based on Xen[J].Computer Engineering,2009,35(23):258-259. |
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| Authors: | HU Leng-fei LI Xiao-yong |
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| Affiliation: | (College of Information Security Engineering, Shanghai Jiaotong University, Shanghai 200240) |
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| Abstract: | Aiming at the problem that client Virtual Machine(VM) can not identify Virtual Machine Monitor(VMM) in full virtualization, I/O para-virtualization driver based on Xen is researched. Experiments are conducted, and some results show the facts that, Para-Virtualization Driver(PV Driver) can eliminate the limitation of "black box" character for VMM, and implement cooperation with VMM, which promotes the I/O performance. It is added into full virtualization environment for Xen VM. Comparing test method is used to demonstrate it can improve network performance. |
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| Keywords: | I/O virtualization Para-Virtualization Driver(PV Driver) Xen Virtual Machine(VM) |
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