The network connecting application systems with the mainframe is another important piece of the infrastructure that should be considered.

连接应用程序和大型机的网络是基础设施中另一个应该考虑的重要部分。

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This depends on the role of a consumer — whether he's a SaaS end user, PaaS application developer, or IaaS infrastructure or network specialist.

这取决于用户 — 他是一个 SaaS 的终端用户、PaaS 的应用程序开发人员，还是 IaaS 基础架构或网络专家。

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SaaS provider: at a minimum, the provider controls operating systems, hardware, network infrastructure, application upgrades, and patches.

SaaS提供商：提供商至少要控制操作系统、硬件、网络基础架构、应用程序升级和补丁。

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Since USACE was already budgetarily hard-pressed to maintain the very valuable lock and dam infrastructure and no third party would build a network for a single application, we went back to the drawing board.

WHITEHOUSE: A Rising Tide Lifts All Ships