Disaster Recovery & Business Continuity Planning
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Recovery Objectives and Planning Foundations
RTO and RPO: Translating Downtime Tolerance into Design Targets
Preview
Business Impact Analysis: Ranking Systems by Consequence
SLAs and Recovery Tiers: Matching Spend to Criticality
3 lessons
Backup Strategy and Data Protection
Full Incremental and Differential Backups: Choosing a Rotation Scheme
The 3-2-1 Rule and Offsite Copy Design
Immutable Backups: Defeating Ransomware with WORM Storage
3 lessons
Failover Architecture Design
Active-Passive Failover: Warm Standbys and DNS Cutover
Active-Active Architectures: Load Distribution Across Sites
Replication Choices: Synchronous vs Asynchronous Trade-offs
3 lessons
Cloud-Based Disaster Recovery
Pilot Light Warm Standby and Multi-Site Cloud DR Models
AWS Elastic Disaster Recovery: Continuous Replication into EC2
Azure Site Recovery: Protecting VMs with Recovery Plans
3 lessons
Testing and Exercising the Plan
Designing Tabletop Exercises That Expose Real Gaps
From Walkthroughs to Full Failover: A DR Testing Ladder
After-Action Reviews: Turning Test Findings into Plan Updates
3 lessons
Standards Governance and Compliance
ISO 22301: Building a Business Continuity Management System
NIST SP 800-34: Structuring the IT Contingency Plan
Audits Evidence and Continuous Improvement of the DR Program
3 lessons
Failover Architecture Design
Active-Passive Failover: Warm Standbys and DNS Cutover
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