I don't think the Well-Architected framework specifies that you should use multi-region availability, but it's certainly a mentioned option for mission critical

I don't think the Well-Architected framework specifies that you should use multi-region availability, but it's certainly a mentioned option for mission critical applications. Usually the go-to doctorine for high availability in AWS documentation is multi-AZ, not multi-region. https://docs.aws.amazon.com/wellarchitected/latest/reliability-pillar/multi-region-scenarios.html https://docs.aws.amazon.com/wellarchitected/latest/reliabili...