SOA借用了网络管理和IT基础设施管理等其他信息技术领域的一些概念，比如策略、服务水平协议和服务质量。
SOA borrows concepts such as Policy, service Level Agreement and Quality of service from other aspects of Information Technology such as network management and managing it infrastructure.
基础设施即服务提供了计算功能和基本存储作为网络上的标准服务。
Infrastructure as a service offers computing capabilities and basic storage as standardized services over the network.
理论讲第二个好处是，在提供一项新的服务时，不必再新建网络基础设施就可以快捷轻便的让新的服务授之于大众。
The second advantage is that in theory, new services can be added far more quickly and easily, without the need to add any new network infrastructure.
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