Leverage Route 53 health checks to automatically fail over to backup site when the primary site becomes unreachable

Implement the Pilot Light DR architecture so that traffic can be processed seamlessly in case the primary site becomes unreachable

Implement either Fully Working Low Capacity Standby or Multi-site Active-Active architecture so that the end users will not experience any delay even if the primary site becomes unreachable

Implement multi-region architecture to ensure high availability