DR strategies: Multi-site active/active

[pethers]

https://aws.amazon.com/blogs/architecture/disaster-recovery-dr-architecture-on-aws-part-iii-pilot-light-and-warm-standby/

include ref https://d2908q01vomqb2.cloudfront.net/fc074d501302eb2b93e2554793fcaf50b3bf7291/2021/05/13/Figure-1.-DR-strategies.png

https://aws.amazon.com/blogs/architecture/disaster-recovery-dr-architecture-on-aws-part-iv-multi-site-active-active/

DR strategies: Multi-site active/active
As we know from our now familiar DR strategies diagram (Figure 1), the multi-site active/active strategy will give you the lowest RTO (recovery time objective) and RPO (recovery point objective). However, this must be weighed against the potential cost and complexity of operating active stacks in multiple sites.