Your log should at least track all upgrades and software fixes applied in every software component in the system, including both infrastructure products and application code.

您的日志至少应该跟踪所有的升级和软件修复(应用于系统中的每个软件组件)，包括基础结构产品和应用程序代码。

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The other is software that helps firms to turn their IT infrastructure into their own cloud, known as a “virtual operating system for data centres”.

还有软件层以帮助企业把IT基础架构变成自己的云，也就是“数据中心的虚拟操作系统”。

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In all software and system development there are important constraints implied by the choice of languages, hardware, network topology, communications protocols and infrastructure, and so on.

在所有的软件和系统开发中都存在着通过语言、硬件、网络拓扑、通讯协议和底层架构等选择所带来的重要约束。

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Puppet Labs is the developer of Puppet, software that applies declarative programming to the task of system administration of compute, network, and storage infrastructure in traditional data centers or in the cloud.

FORBES: Why Adopting the Declarative Programming Practices Will Improve Your Return from Technology