Sizing large infrastructures is a science unto itself.

对大型基础结构进行规模评估本身就是一门科学。

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Although not designed solely for virtualized infrastructures, it simplifies the management of large infrastructures by abstracting the details of the peer operating system.

虽然它不是仅为了虚拟基础设施而设计，但它却可以通过抽象对等操作系统的细节而简化大型基础设施的管理。

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The traditional user ID and password method of authentication is no longer effective or sufficient in this day and age where security is a major concern for large infrastructures.

如今，对于大型的基础设施来说，安全是需要重点考虑的一个问题，传统的使用用户 ID 和密码进行验证的方法不再有效，或者说这种方法不再能包办一切。

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Using this basic approach along with a variety of extensions, Puppet allows the components that comprise large computing infrastructures to be defined.

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And, you know, we got a lot--our infrastructures in our large cities are getting old and perhaps we could put a lot of out-of-work people to work.

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The large amount of federal funds invested in local infrastructures in the 1970s was a one-time boost, not meant to be ongoing, he said.

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