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Uptime Institute 中断严重性评级

The Outage Severity Rating (OSR) was developed by Uptime Institute to help the digital infrastructure industry better distinguish between a service outage that threatens the business and an interruption that has little or no impact.

Uptime Institute's Intelligence group studies publicly reported outages to understand what causes unplanned downtime and the effects of service interruptions. The number of outages reported by the media has climbed steadily year on year, from 27 in our first year of reporting (2016) to 163 in 2019.

Uptime Institute 的 OSR 将帮助数字基础设施和数据中心社区更好地了解和阐明服务中断,以了解每个事件对业务造成怎样的影响。

The OSR provides infrastructure practitioners a common lexicon to use in forming their own service delivery capacity strategies and describing their own outages in terms of business impacts, rather than referencing outages based upon the number of physical infrastructure components involved.

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对中断的严重性及其影响进行分类的指标

Although there are various ways to categorize the mission criticality of various systems as a planning tool for disaster recovery and availability/redundancy investments, there is no Beaufort scale for measuring the severity/impact of outages.

这样的评级显然是有用的。For example, the effect of losing access to a human resources system for two weeks might be frustrating but negligible, even in large organizations, while a 5-minute loss of a currency trading system could be near catastrophic to the business.

For classifying the impact of publicly reported outages, Uptime Institute has created a five-level Outage Severity Rating as outlined below.

Uptime Institute 中断严重性评级
混合基础设施以所有可用组件的设计能力为基础,提供相应级别的业务服务。Historically, use of the term “outage” reflected a binary state of service delivery. As the IT industry continues to leverage hybrid infrastructure designs, the definition and scope of outages must change as well. This rating method provides a lexicon to quantify outages and their impact to business.
Andy Lawrence
“随着中断数量的逐年增加,公众对中断的意识越来越强。在大多数情况下,我们很难理解中断的真实性质和严重程度,因为大多数从业者仍然根据受影响的实体基础设施设备的数量来判断中断的严重性。”
Uptime Institute 研究执行总监 Andy Lawrence

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