cloud-engineering

Cross-Region Replication

Definition

Cross-region replication automatically copies data to a secondary cloud region for disaster recovery, latency reduction, or compliance purposes. S3, GCS, and Azure Blob support automatic cross-region replication with configurable rules and storage classes.

Database cross-region replication (Aurora Global Database, Cloud SQL read replicas) enables low-RPO disaster recovery for relational workloads.

Related Terms

Geo-Replication

RPO

Recovery Point Objective

Disaster Recovery

Multi-Region

Multi-Region Architecture

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