cloud-engineering

Geo-Replication

Definition

Geo-replication synchronizes data across multiple geographic regions to enable low-latency access for global users and provide disaster recovery for regional failures. Managed database services like Cosmos DB, DynamoDB Global Tables, and Cloud Spanner offer transparent geo-replication.

Geo-replication introduces the challenge of consistency models — synchronous replication guarantees consistency at the cost of latency.

Related Terms

Cross-Region Replication

Multi-Region

Multi-Region Architecture

RPO

Recovery Point Objective

Active-Active

Active-Active Architecture

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