One advantage to the middleware proxy approach is that no application development tasks are required.
中间件代理方法的一个优势在于，不需要进行任何应用程序开发任务。
A disadvantage to the middleware proxy approach is that it introduces a nontrivial set of operations and administration tasks.
中间件代理方法的一个缺点是，它引入了大量操作与管理任务。
Compared to the middleware proxy approach described in a previous article of this series, implementing the EJB proxy approach is a basic programming exercise.
与本系列以前的文章中所述的中间件代理方法相比，实现EJB代理方法只是基本的编程做法。
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