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Update 虚拟化实现技术.md
overlords Jul 30, 2022
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Update KVM基本结构.md
overlords Jul 30, 2022
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2 changes: 1 addition & 1 deletion docs/KVM基本结构/KVM基本结构.md
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## 参考

sdulibh的专栏:<https://blog.csdn.net/sdulibh/article/details/52703687>
sdulibh的专栏:<https://www.cnblogs.com/sammyliu/p/4543110.html>
2 changes: 1 addition & 1 deletion docs/虚拟化实现技术/虚拟化实现技术.md
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## 系统虚拟化架构

* 系统虚拟化本质就是使用虚拟化技术讲一台物理计算机虚拟为一台或多台虚拟计算机系统
* 系统虚拟化本质就是使用虚拟化技术将一台物理计算机虚拟为一台或多台虚拟计算机系统
* 一般而言，虚拟环境包括：硬件、VMM和虚拟机
* 没有虚拟化的情况下，os直接掌管硬件，构成完备的OS体系。当系统虚拟化时，每个虚拟机都是通过自己的虚拟硬件来提供一个独立的虚拟机执行环境。每个虚拟机认为自己独占资源，与其他虚拟机隔离，或者说其他虚拟机相对透明。实际上，是VMM抢占了物理机OS的地位，变成真实物理硬件的掌管着，向上层软件呈现出虚拟对的硬件平台。

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