A hypervisor is a software virtualization program that provides a layer of abstraction between operating systems and physical resources on a machine.
管理程序指的是一种软件虚拟化程序，它在操作系统和机器物理资源之间提供了一个抽象层。
For the purposes of this article, we'll focus on server virtualization, where a hypervisor layer exists, supporting the execution of multiple virtual machines on one physical server.
对于本文，我们的重点是服务器虚拟化；在服务器虚拟化中存在一个管理程序层，用于支持在单个物理服务器上运行的多个虚拟机的执行。
This machine may or may not support virtualization directly, which then requires support by the next layer, called the hypervisor.
这台机器可能直接支持虚拟化，也可能不会直接支持虚拟化；那么就需要系统管理程序层的支持。
In 1997, some of the same folks who were involved in creating virtualization on the mainframe were transitioned towards creating a hypervisor on IBM's midrange platform.
在1997年，同样是在大型机上创建虚拟化技术的这些人在IBM中端平台上创建了一个管理程序。
I've discussed some of the virtualization features of POWER5, including Micro-Partitioning and the Hypervisor.
我已经讨论了POWER5的一些虚拟化功能，其中包括微分区和Hypervisor。
Most virtualization technologies operate at the system level, like VMware's Hypervisor.
大多数虚拟化技术都在系统级别上操作，像VMware的Hypervisor就是这样。
The technology behind the virtualization of the IBM p5 systems is from a piece of firmware known as the POWER Hypervisor, which resides in flash memory.
IBMp5系统虚拟化的内在技术源自一片被称为POWER Hypervisor的固件，它位于闪存中。
Kernel virtual Machine (KVM), another open source hypervisor, is the first virtualization solution to be part of the mainstream Linux kernel.
KernelVirtualMachine (KVM)是另一种开放源码管理程序，它是主流Linux内核中包含的第一个虚拟化解决方案。
KVM is a full virtualization solution that is unique in that it turns a Linux kernel into a hypervisor using a kernel module.
KVM是一种完全虚拟化解决方案，它有一个方面非常独特：它将Linux内核转换为一个使用内核模块的hypervisor。
Linux continues to prove itself as a production hypervisor and a research platform for new virtualization technologies.
Linux不断地证明它是一个产品hypervisor，并且是新虚拟化技术研究平台。
KVM makes use of QEMU for platform virtualization, and with Linux as the hypervisor, it immediately supported the idea of guest operating systems executing in concert with other Linux applications.
KVM在平台虚拟化中利用QEMU，并使用Linux作为hypervisor，因此实现了这个构思，即让来宾操作系统能够和其他Linux应用程序协调执行。
Much virtual ink has been put to virtual paper to explain the various types of virtualization technologies out there, such as hardware partition, logical partition, hypervisor, and so on.
已经有很多文章解释了各种不同类型的虚拟化技术，例如硬件分区、逻辑分区、hypervisor等。
Figure 1 shows that the virtualization component is provided by a layer of software called a hypervisor (sometimes called a virtual machine monitor [VMM]).
图1中所示的这个虚拟化组件是由一个名为hypervisor(有时也叫作虚拟机监视器[VMM])的软件层提供的。
Using virtualization, the virtual appliance is portable across different physical servers (assuming the same hypervisor is present).
通过使用虚拟化技术，可以方便地在不同物理服务器之间移植虚拟设备（假定使用了相同的管理程序）。
The hypervisor is a platform-virtualization software.
管理程序是一个平台虚拟化软件。
One critical element that IBM's hypervisor has is the fact that virtualization is part of the system's firmware itself, unlike other hypervisor-based solutions.
IBM管理程序所基于的一个关键元素在于，虚拟化是系统固件本身的一部分的事实，这与其他基于管理程序的解决方案不同。
Figure 1 illustrates some of the fundamental differences between the different types of partitioning and hypervisor-based virtualization solutions.
图1演示了不同类型的分区和基于管理程序的虚拟化解决方案之间的一些基本差异。
Performance: Evaluate performance of the hypervisor to determine the impact of virtualization when compared to non-virtualized solutions.
性能：性能测试数据能够反映虚拟化相对于非虚拟化方案带来的影响。
But in traditional full virtualization environments, the hypervisor must trap these requests, and then emulate the behaviors of real hardware.
但是在传统的完全虚拟化环境中，hypervisor必须捕捉这些请求，然后模拟物理硬件的行为。
In a typical layered architecture, the layer that provides for the platform virtualization is called the hypervisor (sometimes called the virtual machine monitor, or VMM).
在典型的分层架构中，提供平台虚拟化的层称为hypervisor(有时称为虚拟机管理程序或VMM)。
As you see in Figure 1, the hypervisor is the layer of software that provides the virtualization of the underlying machine (in some cases, with processor support).
在图1中可以看到，hypervisor是提供底层机器虚拟化的软件层(在某些情况下需要处理器支持)。
In hardware virtualization, the hypervisor provides the virtualization abstraction of the underlying computer system to the guest operating systems.
在硬件虚拟化中，hypervisor向访客操作系统提供底层计算机系统的虚拟化抽象。
It is also important that you understand how your virtualization built its hypervisor implementation.
还有一点很重要，那就是理解虚拟化如何构建它的管理程序(hypervisor)实现。
In the full virtualization scheme, the hypervisor must emulate device hardware, which is emulating at the lowest level of the conversation (for example, to a network driver).
在完全虚拟化模式中，hypervisor必须模拟设备硬件，它是在会话的最低级别进行模拟的(例如，网络驱动程序)。
The hypervisor is a thin layer of virtualization software that abstracts the operating system and applications from the server platform.
虚拟机管理程序(hypervisor)是一个较薄的虚拟化软件层，它抽象化来自服务器平台的操作系统和应用程序。
virtio is an input/output (I/O) para-virtualization framework for Linux that simplifies and expedites I/O traffic from a VM to a hypervisor.
virtio是一个Linux 的输入/输出（I/O）准虚拟化框架，它简化并加快了VM到管理程序的 I/O通信。
IBM's solution, sometimes referred to as para-virtualization, embeds the hypervisor within the hardware platform.
IBM的解决方案(有时称为para - virtualization)将管理程序嵌入到硬件平台中。
Virtualization means that you can run multiple operating systems, and, if one crashes due to a bug, the hypervisor and other operating systems continue to run.
虚拟化技术意味着您可以运行多个操作系统，如果其中一个系统由于某个 bug 而崩溃了，那么hypervisor和其他操作系统都依然可以继续运行。
xVM infrastructure, a critical part of Sun's virtualization portfolio is the company's first venture into hypervisor-based virtualization.
作为Sun虚拟化产品线中关键的一部分，xVM基础架构成为该公司进军基于管理程序虚拟化领域的先锋。
Recall that in paravirtualization the hypervisor and the operating system collaborate on the virtualization, requiring operating system changes but resulting in near native performance.
回想一下在超虚拟化中，hypervisor和操作系统会共同协作，虽然操作系统需要进行一些更改，但却可以带来接近于原始系统的性能。
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