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      • In computing, uptime is a measure of how long a computer or service is on and available. Downtime is the measure of how long it is not available. Services measure uptime as a percentage of total time.
      www.techtarget.com/whatis/definition/uptime-and-downtime
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  2. Dec 10, 2016 · Uptime is the amount of time that a service has remained operational. Downtime is the amount of time that a service has experienced operational disruptions that render its primary functionalities unavailable.

  3. Apr 10, 2024 · What is Uptime and Downtime? Uptime is the time a system, website, or server stays operational and accessible to users. It is usually expressed as a percentage. For example, if a website is reachable and working properly for 99.9% of the time, it has an uptime of 99.9%. Downtime is the time a system, website, or server is not operational or ...

  4. The SLA calculations assume a requirement of continuous uptime (i.e. 24/7 all year long) with additional approximations as described in the source. uptime.is was originally implemented in newLISP, which had powered uptime and downtime calculations for more than a decade.

    • What Is Availability?
    • What Is Network Uptime?
    • What Is Downtime?
    • Availability vs. Uptime vs. Downtime
    • Availability Or Uptime, Which Is More Important?

    Availability is one of the most critical factors for your network. It’s defined as the probability that your system will work as intended when it’s needed. In other words, when someone wants to access a particular network-hosted resource, can they do so?

    Network uptime is bandied around a lot these days. It’s used in marketing and used as a benchmark for performance. But what does uptime mean?

    Speaking of downtime, what is it? It’s the opposite of uptime – time during which the network is not available for use. Downtime can be due to any number of reasons, such as a server hardware issue, or another data center challenge like the Great Google Outage, which put Gmail and other Google tools out of service for up to 20% of the company’s use...

    With a better understanding of availability, uptime, and downtime, you should now be able to make an informed decision about how you measure success and reliability.

    Ultimately, availability is the more important score. Achieving 100% uptime is an impossibility; even reaching five or six nines is a feat in itself! And although uptime is often the initial focus to drive up technical quality, service availability is a better metric for driving customer satisfaction in the longer term. While both metrics matter, e...

  5. Oct 23, 2024 · What is the Difference Between Uptime and Availability? Uptime and availability are often used interchangeably, but they have subtle differences. Uptime refers to the total time that a system, typically a website or server, remains operational and accessible to users.

  6. How uptime is calculated. Basic uptime calculation is pretty simple to understand. You take the number of seconds that a server was down in a specific time frame and divide it by the total number of seconds you were monitoring the server during that same time frame. The result you get is the downtime percentage.

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