The three-layered architecture model partition the information system into the client present layer, application service layer and database layer.

该体系结构模型将系统划分为客户端表示层、应用服务层、数据层。

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This ties the queue name to the service registry and the logical application layer.

这将队列名称与服务注册中心和逻辑应用程序层绑定在一起。

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Business processes are encapsulated from a direct interaction with the application functions through this layer of service virtualization.

业务流程通过这个服务虚拟化层从与应用程序功能的直接交互封装。

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In hybrid form, a private cloud can include data stored on premise or off, with a private Platform-as-a-Service middleware layer managing application data and enforcing data security.

FORBES: The Data Protection And Security Case For Private Clouds