Regional Replication
Definition
The practice of copying data or resources across multiple geographic regions for disaster recovery, low-latency access, or compliance requirements.
Use Cases
- Netflix: Ensuring global availability and low latency for streaming services — Netflix uses AWS RDS Read Replicas to replicate their databases across multiple regions, ensuring that users worldwide experience minimal latency. (Improved user experience with faster streaming and increased reliability during regional outages.)
Provider Equivalents
- AWS: AWS RDS Read Replicas
- Azure: Azure SQL Geo-Replication
- GCP: Cloud SQL Cross-Region Replication
- OCI: Oracle Autonomous Data Guard
Frequently Asked Questions
- What's the difference between Regional Replication and Multi-AZ Deployment?
- Regional Replication involves copying data across different geographic regions, while Multi-AZ Deployment focuses on high availability within a single region by duplicating data across multiple availability zones.
- When should I use Regional Replication?
- Use Regional Replication when you need to ensure data availability and low-latency access for users in different geographic locations or to comply with data residency regulations.
- How much does Regional Replication cost?
- Costs vary by provider and depend on factors like data transfer rates, storage, and the number of regions involved. It's important to review each provider's pricing model for accurate cost estimates.
Category: storage
Difficulty: intermediate
Related Terms
See Also