High-Availability

2 posts
2026

High Availability vs Disaster Recovery: What Is the Difference?

The application has three servers, a load balancer, and a database replica. One server fails, traffic moves elsewhere, and nobody notices. …
cloud cloud-architecture high-availability disaster-recovery reliability
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Cloud Regions vs Availability Zones: What Is the Difference?

A team deploys its application to a cloud region, enables backups, and calls the system highly available. Then one datacenter-scale failure …
cloud cloud-architecture availability-zones high-availability disaster-recovery
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