Diagram
A hierarchy diagram showing Cloud Reliability branching into High Availability, Fault Tolerance, and Disaster Recovery, with their definitions and Azure implementation tools listed as sub-nodes.
The Pillars of Reliability: Availability, Tolerance, and Recovery
Reliability in cloud computing means a system can perform its function correctly and consistently. In Azure, this is built on three key concepts: high availability, fault tolerance, and disaster recovery. High availability ensures services are up and reachable. Fault tolerance allows the system to keep working even if a component fails. Disaster recovery provides a plan to restore services after a major incident.
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