实现动态扩展基础架构的一个关键原因是新实例可以在不需要人工干预的前提下部署到生产环境。

A key element of growing your infrastructure dynamically is that a new instance is going to have to attach itself to the production environment without outside intervention.

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从正面来说，尽管一些网关技术必须在有适当弹性的方式下部署，但这种解决方案仍然能够包含最低功能基础架构。

On the positive side, this solution can involve minimal infrastructure, although some gateway technology must be deployed in an appropriately resilient manner.

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因此，该建筑必须适应与下部结构一致的基础，而且必须从下面作为接入点。

Consequently, the plan must adapt to those foundations which coincide with the lower structure, and so must the access points from below.

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