这么做可以帮助对服务进行容量规划、计费和计量，例如存储即服务，大量数据存储在基础架构中的服务器上。
Doing so helps in capacity planning, billing, and metering for services such as storage as a service, where data is stored in larger amounts on servers across the infrastructure.
但是，到了80年代，事实证明这种模式不利于市场和环境，这迫使模式从基础架构即资产转移到基础架构即服务。
In the 1980s, however, this paradigm proved unfavorable for the marketplace and the environment, which forced a paradigm shift from infrastructure as an asset to infrastructure as a Service.
配置服务器和基础架构的高昂成本曾一度限制了开发软件即服务(SaaS)应用的能力。
Historically, the high cost of provisioning servers and infrastructure limited the ability to develop Software as a Service (SaaS) applications.
基础架构即服务(Infrastructureasa Service)以及计费和计量服务。
Infrastructure as a service and billing and metering services.
有三种基本的云服务模型：基础架构即服务（IaaS）、平台即服务（PaaS）和软件即服务（SaaS）。
There are three basic models of cloud service: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
构建 “基础架构即服务”（infrastructure-as-a-service）和“平台即服务”（platforms-as-a-service）等产品功能，以使企业能够使用基于云计算的软件。
Features like infrastructure-as-a-service and platforms-as-a-service that allow companies to tap into cloud-based software;
构建 “基础架构即服务”（infrastructure-as-a-service）和“平台即服务”（platforms-as-a-service）等产品功能，以使企业能够使用基于云计算的软件。
Features like infrastructure-as-a-service and platforms-as-a-service that allow companies to tap into cloud-based software;
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