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      • Highly available systems must be well-designed and thoroughly tested before they're implemented in a production environment. The components in an HA system must be able to maintain the specified availability standard in the event of service disruptions.
      www.techtarget.com/searchdatacenter/definition/high-availability

      What is high availability (HA)? Definition and guide

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  3. www.techtarget.com › searchdatacenter › definitionWhat is high availability (HA)? Definition and guide

    High availability (HA) is the ability of a system to operate continuously for a designated period of time even if components within the system fail. A highly available system meets an agreed-upon operational performance level by eliminating single points of failure.

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      What is HAProxy? HAProxy is a high-performance, open source...

  4. phoenixnap.com › blog › what-is-high-availabilityWhat is High Availability? {How HA Works & How To Achieve It}

    Aug 18, 2022 · High availability (HA) is a system's capability to provide services to end users without going down for a specified period of time.

  5. www.ibm.com › think › topicsWhat is High Availability? | IBM

    High availability (HA) is a term that refers to a system’s ability to be accessible and reliable close to 100% of the time. Highly available systems must be able to withstand outages, including scheduled downtime and site-wide disasters. Typically, HA systems meet two characteristics: They must be available for use close to 100% of the time.

  6. medium.com › oolooroo › crafting-highly-availableCrafting Highly Available Systems: Practices, Patterns, and ...

    Jan 26, 2024 · At its core, high availability refers to the design and implementation of systems that are robust and resilient, aiming to ensure an agreed level of operational performance, usually uptime, for...

  7. www.howtogeek.com › devops › what-is-highWhat Is High Availability (HA)? Why Your Business Needs to ...

    Mar 23, 2021 · High Availability (HA) is the practice of minimizing all server downtime, ideally down to zero. It incorporates many techniques, such as auto-scaling, real-time monitoring, and automated blue/green update deployments.

  8. www.high-availability.com › articles › architectureHigh Availability Architecture | HA Systems

    What makes a system Highly Available is the usage of high quality and reliable system components, the elimination of Single Points of Failure using component redundancy, and the ability to tolerate and quickly recover from failure to provide optimal system uptime.

  9. www.g2.com › articles › high-availabilityWhat Is High Availability? How It Works For Businesses - G2

    Sep 10, 2024 · High availability, or HA, is a process that removes single points of failure within an IT system. The goal is to maintain continual operations during both planned and unplanned system outages or downtime, guaranteeing reliability for internal and external users.