CDCR - Cross Data Center Architecture
CDCR Diagram - in each DC it is affordable to lose one server and also the other DC.

CDCR Diagram - in this solution, it is affordable to lose one Datacenter (services are not redundant inside datacenter)

CDCR Diagram - in each DC it is affordable to lose one server and also the other DC.
CDCR Diagram - in this solution, it is affordable to lose one Datacenter (services are not redundant inside datacenter)