应用程序开发者可以面向虚拟层来编程。
Application developers can then write to a virtualization layer.
对于这种方法，在虚拟层是不支持缓存的。
Caching at the virtualization level is not possible with this approach.
在服务器端，虚拟交换机正逐渐作为虚拟层的一部分被接受。
On the server side virtual switches are gaining acceptance as a part of the virtualization stack.
它的内部构成主要分为实体层、虚拟层和支持层。
Its internal structure can be divided into physical level, virtual level and support level.
这一过程的精髓在于网格计算向提供虚拟层特性的组织形式的演变。
In essence this process is the evolution of grid computing into a fabric form that provides virtualization level features. Companies such as Appistry and DataSynapse provides features including.
当事件发布者与事件接收者位于架构虚拟层中的同一层时，发生水平因果关系。
Horizontal causality occurs when the event publisher resides on the same layer in an architecture's virtual layers as the event receiver.
这使得管理员可以在虚拟层，而不用在机器物理层，部署和迁移应用服务器。
This lets administrators deploy and move application servers at a virtualization layer level instead of at the physical machine level.
本文在虚拟层合单元的基础上，为适应形状优化时边界变化的特点，构造了曲线分层的虚拟层合梁单元。
The curvilinear virtual laminated beam element, which is based on a new type of virtual laminated element and can be used to the shape optimization that often causes the change of the boundary shape.
在EDA内部，您可以跨soa的各个分段(包括物理层和架构的虚拟层)传输事件，这样系统可以有效地作出响应。
Within an EDA, you can transmit events across all segments of an SOA, including physical tiers and an architecture's virtual layers, so that systems respond and act effectively.
虚拟技术供应商管理虚拟层程序及虚拟交换机等此类技术支持；他的工作内容，总的来说，也不在租户的关注范围之内。
The virtual infrastructure provider manages the hypervisors and V switch or equivalent; his role, by all accounts, is outside the tenant's scope of concern as well.
而第三种模式是关于将虚拟提供者带到下一层，作为服务集成器。
And the third is about taking the virtual provider to the next level and act as a service integrator.
此层通过将点对点连接与接口本身分离，从而将服务虚拟化。
It virtualizes the services by decoupling the point-to-point connections from the interfaces themselves.
虚拟提供者就绪后，在SOA中创建集成层就变得更加容易了。
Once you have a virtual provider in place, creation of an Integration Layer in your SOA becomes easier.
IEEE 802.1Q标准提供了VLAN标记的网络标准，定义了设备虚拟隔离中位于mac层的VLAN的概念。
The IEEE 802.1q standard provides the networking standard for VLAN tagging, defining the concept of a VLAN at the MAC layer for virtual isolation of devices.
安全——如此以来，就有了更多的入口点需要去监测，如hypervisor和虚拟网络层。
Security - There are now more entry points such as the hypervisor and virtual networking layer to monitor.
使用虚拟数据访问服务层支持SOA、促进代码重用、提高编程效率和促成更灵活的软件环境。
Support SOA, promote code reuse, enhance programming productivity, and contribute to a more flexible software environment with the virtual data access services layer.
如图4中所示，该中介使用DB 2 Information Integrator为SDO应用程序构建了一个虚拟数据访问服务层。
As shown in the Figure 4, this mediator works with WebSphere Information Integrator to form a virtual data access services layer for SDO applications.
AmazonEC2在这些层中作为IaaS，向用户提供虚拟的主机。
Amazon EC2 is playing a role as the IaaS in these layers and provides users virtualized hosts.
业务流程通过这个服务虚拟化层从与应用程序功能的直接交互封装。
Business processes are encapsulated from a direct interaction with the application functions through this layer of service virtualization.
中介层可以与虚拟化方法相结合，把它与在单独虚拟映像分区中运行的租户相关服务实例集成起来。
A mediation layer can be used in conjunction with a virtualization approach by integrating it with tenant specific service instances running in separate virtual image partitions.
在该过程中，我们将添加信息服务抽象层，以及服务虚拟化和连接性。
In the process we'll add the information services abstraction layers, and the service virtualization and connectivity.
这个虚拟中介截断了虚拟机系统发往主机的请求，也就是在虚拟机系统与主机之间添加了一个虚拟化层。
This intermediary interprets requests from the virtual system to the host, thereby adding a layer of virtualization between the virtual system and the host.
它报告文件系统的所有层的使用率，包括逻辑卷管理器(LVM)、虚拟内存和物理磁盘层。
It reports on all layers of file system utilization, including the Logical Volume Manager (LVM), virtual memory, and physical disk layers.
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。
This machine may or may not support virtualization directly, which then requires support by the next layer, called the hypervisor.
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。
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.
虚拟化层对基础的硬件接口进行规范化，所以虚拟机可以在不同的硬件平台之间无缝地移动。
The virtualization layer standardizes the underlying hardware interfaces, so virtual machines can be moved seamlessly across different hardware platforms.
当设备被模拟(比如虚拟网络适配器)时，模拟提供一个抽象层以抽象物理硬件。
When devices are emulated, such as virtual network adapters, the emulation provides a layer to abstract away the physical hardware.
此外，由于此层一般利用虚拟化技术，因此可以实现由更加高效的资源利用率带来的成本节约。
In addition, due to the fact that virtualization techniques are commonly employed in this layer, cost savings brought about by more efficient resource utilization can be realized.
使用全虚拟化，在虚拟化的操作系统和硬件之间存在一个层，用于决定访问。
With full virtualization, a layer exists between the virtualized operating systems and the hardware as a way to arbitrate access.
通过内存管理层(VMM)中的更改，AIX提供了对虚拟化的支持。
AIX provides support for Virtualization through changes in the memory management layer (VMM).
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