# REL13-BP02 - Use defined recovery strategies to meet the recovery objectives

Best practice: REL13-BP02
Pillar: Reliability
Source: https://wellarchitected.cloudvisor.eu/docs/reliability/rel13-bp02.html

Implement disaster recovery strategies that align with your defined RTO and RPO objectives. Choose from backup and restore, pilot light, warm standby, or multi-site active/active approaches based on business requirements, cost considerations, and technical constraints.

## Implementation Steps

### 1. Select Appropriate DR Strategy
Choose the disaster recovery strategy that best meets your RTO/RPO requirements within budget constraints.

### 2. Design DR Architecture
Create detailed architecture designs for your chosen disaster recovery approach.

### 3. Implement Cross-Region Infrastructure
Deploy the necessary infrastructure components in your disaster recovery region.

### 4. Configure Data Replication
Set up appropriate data replication mechanisms to meet RPO requirements.

### 5. Establish Recovery Procedures
Document and implement detailed recovery procedures for each DR strategy.

## AWS Services

### Primary Services
- **AWS Site Recovery**: Automated disaster recovery orchestration
- **AWS Elastic Disaster Recovery**: Application-level disaster recovery
- **Amazon Route 53**: DNS failover and traffic routing
- **AWS Global Accelerator**: Global traffic management

### Supporting Services
- **Amazon S3**: Cross-region replication for backup and restore
- **Amazon RDS**: Multi-AZ and cross-region read replicas
- **Amazon DynamoDB**: Global Tables for multi-region replication
- **AWS CloudFormation**: Infrastructure as code for DR environments

## Benefits

- **RTO/RPO Compliance**: Strategies designed to meet specific recovery objectives
- **Cost Optimization**: Choose the most cost-effective strategy for your requirements
- **Scalable Recovery**: Strategies that can scale with business growth
- **Technology Alignment**: Leverage appropriate AWS services for each strategy
- **Business Continuity**: Maintain operations during disasters and outages

## Related Resources

- [AWS Disaster Recovery Strategies](https://docs.aws.amazon.com/whitepapers/latest/disaster-recovery-workloads-on-aws/)
- [AWS Site Recovery User Guide](https://docs.aws.amazon.com/drs/)
- [Amazon Route 53 Application Recovery Controller](https://docs.aws.amazon.com/r53recovery/)
- [AWS Architecture Center - Disaster Recovery](https://aws.amazon.com/architecture/disaster-recovery/)