这些美国企业为客户开发出可自给自足且高度标准化的设施及服务，是一种全封闭结构。

These U.S. companies developed completely self-contained and highly standardized facilities and services for customers.

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专用模型的优点之一在于，所监视的 Web 服务可以在企业中的 Intranet 上或封闭的网络中传输敏感数据，从而跳过网格。

One benefit of the dedicated model is that the Web services being monitored can transport sensitive data on an intranet or in a closed network within an enterprise, skipping the grid.

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许多企业将ITIL和SOA在一个封闭的环境中分别进行实施，而不是利用这些项目来打破组织竖井（silo）。

Rather than use these initiatives to break through organizational silos, many companies are conducting separate ITIL and SOA efforts in a vacuum.

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