High availability
A system design approach that ensures services remain operational and accessible for extended periods, minimizing downtime through redundancy and failover mechanisms.
What is High availability?
What is High availability?
High availability refers to designing systems that remain operational with minimal downtime. It relies on redundancy, load balancing, data replication, and automated failover to ensure services stay accessible even if components fail. High-availability architectures are crucial for mission-critical applications such as banking systems, SaaS platforms, and e-commerce websites where downtime results in revenue loss or security risks. The goal is to deliver 99.9% uptime or higher.
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