在这种体系架构中，客户从不与服务直接通信，只是通过中介来实现交互。
In this architecture, the consumer never communicates with the service directly, only through the intermediary.
从SCA的角度来看，正如服务组件体系结构部分中所讨论的，中介模块是具有接口和绑定的SCA模块。
From the SCA standpoint, mediation modules are SCA modules that have interfaces and bindings, as discussed in the Service Component Architecture section.
有时也将其称为“SOA分层体系结构”，其中介绍了各个层次和概念(如业务流程、服务或服务组件)及其相互间的关系。
Sometimes referred to as "the SOA layered architecture", this model introduces layers and concepts such as business process, service, or service component, as well as the relationships between them.
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