无法进行自动配置，这是因为虚拟栈的单个组件没有足够信息来做出调优决策。
Automatic configuration is not available because the individual components of the virtualization stack do not have enough information to make tuning decisions.
其概念是非常简单的：通过使用整个软件栈(操作系统、应用、配置数据等等)的虚拟映像来避免安装与配置上的冲突。
The concept is simple: avoid all installation and configuration hassles by using a virtual image of an entire software stack: operating system, application (s), configuration data, etc.
这一层与PaaS的不同之处在于，只提供虚拟硬件，而没有软件栈。
This layer differs from PaaS in that the virtual hardware is provided without a software stack.
组合出来的应用栈可以部署到所有主要的虚拟平台，包括AmazonEC2。
These stacks could then be deployed to any of the major virtualization formats, including Amazon's EC2.
通过这种方式，如果一个设计调用一个主机栈，您可以替换一个协调的虚拟机系统。
In this way, if a design calls for a hosting stack, you can substitute a compatible virtual system.
我们的模型对技术栈的较低层进行了抽象或虚拟化。
Our model abstracts, or virtualizes, the lower levels of the technology stack.
虚拟化在网络栈中实现已经有一段时间了，允许VM访客网络栈访问主机网络栈。
Virtualization has been implemented in networking stacks for quite some time to permit VM guest networking stacks access to the host networking stack.
但是，按照相同的方式，您还可以将概念性的主机栈实现为一个虚拟化系统。
However, you could also realize this conceptual hosting stack to a virtual system in the same way.
ProjectCrossbow 将虚拟化和带宽资源控制带入到网络栈中，最小化复杂性和开销。
Project Crossbow brought virtualization and bandwidth resource control into the network stack to minimize complexity and overhead.
同样，这就是改虚拟机实现中本地方法栈的行为。
This would be the behavior of the of native method stacks in that implementation.
该产品可帮助客户自动优化软件栈，并可以在几分钟内为物理、虚拟或云计算环境动态地部署逻辑服务器。
The product allows customers to streamline software stacks automatically and dynamically deploy logical servers to physical, virtual or cloud within minutes, EMC said.
该产品可帮助客户自动优化软件栈，并可以在几分钟内为物理、虚拟或云计算环境动态地部署逻辑服务器。
The product allows customers to streamline software stacks automatically and dynamically deploy logical servers to physical, virtual or cloud within minutes, EMC said.
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