Modern enterprise DR in Azure must support: • Same-region failover • Cross-region failover • Hybrid cloud continuity • PaaS and IaaS recovery Key Azure DR Components Same Region • Availability Zones • Zone-redundant SQL • ZRS Storage Multi Region • Azure Site Recovery • Front Door • Traffic Manager • Geo-replication Hybrid • ExpressRoute failover • VPN backup • Active Directory replication Azure Storage Replication Choosing the correct storage replication model is critical. Type DR Capability LRS None ZRS Zone GRS Regional RA-GZRS Enterprise DR SQL Disaster Recovery Recommended enterprise SQL controls: • Auto Failover Groups • Geo-replication • Zone redundancy • Backup retention DR Testing Matters Recommended cadence: • Monthly restore testing • Quarterly failover testing • Annual enterprise DR simulation Final Thoughts Cloud DR is now part of enterprise architecture, security and operations.…