Disaster Recovery & High Availability

Architect resilient environments with multi-region failover and tested recovery procedures.

For mission-critical systems, we design multi-region architectures with automated failover, defined RTO/RPO targets, and regularly tested disaster recovery procedures.

The Transformation

BEFORE
Single Region / No DR
Single region deployment
No geographic redundancy
Manual backups
Inconsistent, untested
Unknown RTO / RPO
No recovery targets defined
No failover procedures
Ad-hoc recovery during outages
No DR testing
Recovery confidence unknown
AFTER
Multi-Region Resilience
Multi-region architecture
Active-passive or active-active
Automated replication
Database & storage sync
Defined RTO / RPO
Recovery targets documented
Tested failover
Documented runbooks & procedures
Quarterly DR drills
Recovery confidence validated
Before: single region with no backups and unknown recovery targets. After: multi-region architecture with automated replication and defined RTO/RPO planning.

Multi-Region Failover Topology

Active-active architecture with cross-region replication.

Multi-Region Disaster Recovery — Active-ActiveDisaster recovery architecture: Global DNS with latency-based routing distributes traffic to two regions. Primary region in Singapore has ALB, app cluster with 3 instances, Aurora primary database, and S3 bucket. DR region in Sydney mirrors the same stack with Aurora read replica and S3 cross-region replication. Async database replication and cross-region S3 replication connect both regions.Global DNSLatency-based RoutingPrimary — SingaporeALBApp ClusterAurora PrimaryS3 BucketDR — SydneyALBApp ClusterAurora ReplicaS3 Bucketasync replicationcross-region replication
Multi-region disaster recovery architecture: Global DNS with latency-based routing sends traffic to Singapore primary region and Sydney DR region. Both run ALB, 3-instance app clusters, Aurora databases (primary with multi-AZ, DR with cross-region read replica), and S3 buckets with cross-region replication. Async database replication connects both regions.

What We Deliver

  • Multi-region failover architecture (active-active / active-passive)
  • Automated backup with defined RPO/RTO planning
  • Database replication & failover (SQL Always On, RDS Multi-AZ)
  • Disaster recovery testing & runbook documentation
  • High-availability architecture design with defined uptime targets
Our team works with:AZURE SITE RECOVERYAWS BACKUP / DRALIBABA CLOUD DBS

Use Cases

Scenario

A payment processing platform handling real-time transactions needs protection against regional cloud outages.

Solution

Active-passive architecture across paired cloud regions with automated database replication and documented failover procedures.

Outcome

Defined RTO/RPO targets with tested recovery procedures and documented runbooks.

Scenario

An enterprise with no formal disaster recovery plan needs to establish baseline resilience for business-critical applications.

Solution

DR assessment to identify critical workloads, followed by backup strategy implementation and quarterly failover testing.

Outcome

Documented recovery procedures with tested failover capability and clear ownership assignments.

Why This Matters

Improve recovery confidence with tested procedures

Support defined RTO/RPO planning for critical workloads

Reduce data loss risk with automated replication

Strengthen audit readiness with documented recovery procedures

Frequently Asked Questions

What failover architectures do you support?

We design both active-active and active-passive architectures depending on workload criticality and budget. Each architecture includes defined RTO/RPO targets and tested failover procedures.

How often is DR tested?

We recommend quarterly failover testing with documented runbooks. Testing frequency can be adjusted based on regulatory requirements and business criticality.

Ready to discuss this for your environment?

Let our team assess your infrastructure and recommend the right approach for your business.

Contact Sales