对于平台服务，虚拟化是提供按需分配资源的常用方法。
As with platform services, virtualization is an often used method to provide the on-demand rationing of the resources.
空闲的资源，加上J2EE 平台的崛起，迎来了云计算的概念：应用服务虚拟化。
The concept of under-utilized resources, together with the rise of J2EE platform, gave rise to the precursor of cloud computing: application server virtualization.
IaaS(基础设施即服务)构建的是计算机基础设施，通常是指虚拟化平台环境。
IaaS (infrastructure as a service) delivers computer infrastructure, typically a platform virtualization environment.
应用推荐