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Announcing Multi-AZ Deployments for Amazon RDS

We are excited to announce Multi-Availability Zone (Multi-AZ) deployments for Amazon Relational Database Service (Amazon RDS). This new deployment option provides enhanced availability and data durability by automatically replicating database updates between multiple Availability Zones. Availability Zones are physically separate locations with independent infrastructure engineered to be insulated from failure in other Availability Zones. When you create or modify your DB Instance to run as a Multi-AZ deployment, Amazon RDS will automatically provision and maintain a synchronous “standby” replica in a different Availability Zone. In the event of planned database maintenance or unplanned service disruption, Amazon RDS will automatically failover to the up-to-date standby so that database operations can resume quickly without administrative intervention.

The increased availability and fault tolerance offered by Multi-AZ deployments are well suited to critical production environments. To learn more, visit the Amazon RDS product page.

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