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Fault tolerance, reliability is about minimizing failures over time
Fault tolerance ensures that a system continues to function even if some of its components fail. In the context of Azure, this means deploying servers across multiple Availability Zones or using Azure Site Recovery to maintain availability in case of a data center failure. This strategy prevents downtime due to a single point of failure in one Azure region.
Fault Tolerance refers to the ability of a system or application to continue operating without disruption in the event of a failure. This is achieved through redundancy and failover mechanisms that ensure that if one component fails, another component takes over seamlessly, without any downtime or interruption of service.