In IT, downtime is the period during which a system, application or service is unavailable to users, whether because of a failure, a cyberattack or planned maintenance. It is measured in minutes or hours and is often committed to in SLAs (service level agreements). For example, an online store that goes offline during its peak sales season.
Go deeper on the TecnetBlog: Disaster Recovery Plan: What It Is and How to Build One
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