SOA applications run on a heavy middleware stack or a platform.
SOA应用程序在重型中间件堆栈或平台上运行。
Typically, the operating system and any middleware stack are customized and hidden from the end user.
通常，操作系统和任何中间件堆栈都经过了自定义，对最终用户隐藏。
There's a high dependence of performance and load-bearing capability on the middleware stack and legacy applications (in production environment).
性能和负载承载能力非常依赖于中间件堆栈和遗留应用程序(在生产环境中)。
Often, this is entirely avoidable because the applications aren't using any features specific to that middleware stack, but could just as easily define "generic" JMS queues, datasources etc.
通常，这是完全可以避免的，因为应用程序通常不会用到特定中间件的某个特定特性，因此可以在自己的配置文件中很容易的定义更“一般”的JMS队列，数据源等等。
But the limiting factors can be attributed to the various components used in the middleware stack, which is required to run SOA applications and the legacy applications that run in production.
但中间件堆栈中使用的各个组件可能会造成一些限制，而在运行生产环境中的SOA应用程序和遗留应用程序时需要中间件堆栈。
But the limiting factors can be attributed to the various components used in the middleware stack, which is required to run SOA applications and the legacy applications that run in production.
但中间件堆栈中使用的各个组件可能会造成一些限制，而在运行生产环境中的SOA应用程序和遗留应用程序时需要中间件堆栈。
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