将复杂性从客户机应用程序转移到基础设施层，从而允许应用程序更简单、更小巧。

Move complexity from the client application to the infrastructure level, thereby allowing the application to remain simpler and smaller.

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如果您的公司从事建模或者基础设施层的工作，您可以就MDA的定义发表意见。

If your company works at either the modeling or infrastructure level, you can have a voice in defining the MDA.

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与传统设计模式不同，此模式更趋向于基础设施层，利用的是消息传递中间件提供的现有功能。

Unlike traditional design patterns, this pattern is more at the infrastructure level and leverages existing capabilities provided by the messaging middleware.

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