Architectural verification active. This track focuses on deterministic failover and non-disruptive DR testing.
DR Orchestration
Disaster Recovery is a race against time. We move beyond manual restores to Deterministic Orchestration, utilizing automated recovery plans that handle IP re-addressing, boot ordering, and service verification across sovereign boundaries.
Level 100: Multi-Site Replication
- • Asynchronous & CDP: Implementing Continuous Data Protection (CDP) for near-zero RPOs on critical SQL/App workloads.
- • Bandwidth Throttling: Optimizing sovereign inter-site links to ensure replication does not saturate production traffic.
Architect’s Verdict: Replication is the fuel for recovery; without a low-latency transport layer, your RPOs will always be a liability.
Analyze TransportLevel 200: Automated Recovery Plans
- • Boot Ordering: Scripting the precise sequence of DB, App, and Web tier startups to prevent dependency failures.
- • IP Re-addressing: Automatically updating DNS and network configs to ensure immediate client connectivity post-failover.
Architect’s Verdict: A recovery plan on paper is a fantasy. A recovery plan in code is a guarantee.
Analyze PlansLevel 300: Non-Disruptive Auditing
- • Isolated Testing: Booting the entire recovery site in a non-routed bubble to verify readiness without impacting production.
- • Automated Compliance: Generating DR readiness reports for sovereign audit requirements with a single click.
Architect’s Verdict: Testing is not a scheduled event; it is a continuous background requirement for survival.
Advanced Testing LabValidation Tool: DR Readiness Auditor
Orchestration ActiveIs your secondary site ready for the “Big Switch”? Use this auditor to verify Replication RPO Compliance, Recovery Plan Validity, and Network Bubble Health to ensure a deterministic failover.
DR Topologies: Deterministic Failover Logic
| Topology | Data Loss (RPO) | Recovery Speed | Distance Constraint |
|---|---|---|---|
| Asynchronous | Minutes / Hours | Moderate (Manual check) | Unlimited |
| Continuous (CDP) | Seconds | Fast (Automated) | Unlimited |
| Synchronous | Zero (RPO 0) | Instant (Failover) | < 100km (Latency bound) |
Architect’s Verdict: For critical sovereign workloads, Synchronous Replication is the gold standard for RPO-0 stability. However, for regional resilience, CDP (Continuous Data Protection) provides the best balance of low data loss and infinite distance flexibility.
Level 300: Zero-Touch Failover Logic
- Full-Stack Dependency Mapping: Utilizing automated discovery to map application chains (DNS > Load Balancer > Web > App > DB) for precise boot ordering.
- Network State Persistence: Pre-configuring VXLAN or BGP at the DR site to ensure that workloads retain their network identity post-restoration.
- Automated Post-Failover Scripts: Injecting custom logic to restart proprietary services and verify application layer heartbeats before opening the site to production traffic.
Architect’s Verdict: True resilience is measured by the absence of manual labor. If your failover requires more than a single command, it is not an orchestrated architecture; it is a recovery project.
Proceed to Resilience Lab