构建虚拟网络几乎不需修改用户的数据中心基础架构。
Setting up an virtual network requires little modification of the customer's data center network infrastructure.
让我们看看云及其虚拟网络的架构。
Let's look at the architecture of cloud and its virtual network.
基础架构和网络专家是否可以租用基础架构（IaaS），以建立一个虚拟的基础架构环境，并在该 IaaS 上运行PaaS。
The infrastructure and network specialist rents the infrastructure (IaaS) to build a virtual infrastructure environment and to run the PaaS on this IaaS.
基础架构和网络专家是否通过租用IaaS构建虚拟基础架构环境并在IaaS上运行PaaS，他们是否受到所有三种阈值水平的限制。
The infrastructure and network specialist rents the IaaS to build a virtual infrastructure environment and to run the PaaS on this IaaS and whether they are within all three types of threshold levels.
IaaS基础架构和网络专家：专家控制虚拟机级上的操作系统、网络设备和部署的应用程序。
IaaS infrastructure and network specialist: the specialist controls the operating systems, network equipment, and deployed applications at the virtual machine level.
一个IaaS的基础架构师和网络专家可以控制操作系统、网络设备，以及在虚拟机级别部署的应用程序。
An IaaS infrastructure and network specialist controls the OSs, network equipment, and deployed applications at the virtual machine level.
提出在IBM虚拟机器的架构上，使用错误围堵策略建立可生存的网络安全设备内核的思想。
Fault containment is proposed to construct a survivable kernel of the network security device based on the IBM virtual machine.
提出在IBM虚拟机器的架构上，使用错误围堵策略建立可生存的网络安全设备内核的思想。
Fault containment is proposed to construct a survivable kernel of the network security device based on the IBM virtual machine.
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