The Exposed Business Services tier receives requests from channel interface components and intelligently routes them to the appropriate backend applications.
Exposed Business services层接收来自通道接口组件的请求并智能地将它们路由到适当的后端应用程序。
The best performance environment is one that replicates production both in the middle tier WebSphere Application Server, and in the backend (such as databases, mainframes, and so on).
最佳性能环境是能够同时在中间层 WebSphere Application Server 和后端（如数据库、大型机等）复制生产的环境。
The majority of the business logic is concentrated on the backend application tier.
业务逻辑的大部分集中在Backend application层。
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