<ul><li>High availability (HA) is all about ensuring that systems remain operational for as much time as possible, reducing downtime to a minimum.</li><li>The classic approach to achieving high availability involves duplicating key components, implementing redundancy, failover mechanisms, and fault tolerance.</li><li>In modern cloud-native systems, high availability is achieved through containerization, orchestration, service redundancy, and distributed databases.</li><li>Cloud providers offer built-in solutions for high availability, such as availability zones, regional redundancy, and auto-scaling.</li></ul>

Keeping Your Services Up and Running: A Friendly Guide to High Availability

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