例如，如果一个模型没有规定一种特定的中间件技术的选择，那这个模型对于通讯中间件来说就是一个PIM。
For example, a model may be a PIM with respect to choice of communication middleware if that model does not prescribe a particular choice of middleware technology.
由于组件作为编程模型的选择正在流行起来，对象中间件是所有IT机构都要走的道路，IT机构的设计人员今天应该做些什么？
Because component are taking over as the programming model of choice and object middleware is where all it organisations are going, what should an it architect do today?
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