High availability - Wikipedia"Always-on" redirects here. For the software restriction, see Always-on DRM. High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period.[1] There is now more dependence on these systems as a result of modernization. For example, to carry out their regular daily tasks, hospitals and data cent
Zero Downtime Deployment with Kubernetes
