虚拟化原理_第2页-阿里云

Xen虚拟化基本原理详解

查看虚拟化技术详解请点击一、Xen概述 Xen是由剑桥大学计算机实验室开发的一个开源项目。是一个直接运行在计算机硬件之上的用以替代操作系统的软件层，它能够在计算机硬件上并发的运...

《云安全原理与实践》——3.2　主机虚拟化的主要安全威胁

3.2　主机虚拟化的主要安全威胁主机虚拟化提供给用户使用的不是物理意义上的服务器，而是虚拟服务层中的一个操作系统实例。通过主机虚拟化，管理员不仅可以在物理服务器上部署多个虚拟服务器，并为其安装操作系统，还可以根据不同业务需求定制虚拟机的内存、CPU、存储容量等。这样不但提高了服务器的利用率，还降低...

KVM 虚拟化

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《云安全原理与实践》——第3章 3.0主机虚拟化安全

第3章 3.0主机虚拟化安全虚拟化技术起源于20世纪60年代，是指将一个高性能物理服务器划分为多个独立的“虚拟机”，在用户看来，在虚拟机上操作和物理服务器上操作没什么区别。虚拟化是云计算的基础，云计算的重要特性（如动态伸缩、按需分配等）都需要虚拟化技术来提供支撑。虚拟化带来了IT资源整合以及访问终...

虚拟化VMware简介1——虚拟机原理及安装浅析

本文整理自网络 VMware（威睿,纽约证券交易所代码：VMW）虚拟机软件，是全球桌面到数据中心虚拟化解决方案的领导厂商。全球不同规模的客户依靠VMware来降低成本和运营费用、确保业务持续性、加强安全性并走向绿色。2008年，VMware年收入达到$1.9billion美元，拥有逾150,000...

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