Learn how to design a cross-Region data recovery solution for AWS applications using Amazon Aurora Global Database. Discover how it helps in achieving low RTO and RPO.
Table of Contents
Question
A company hosts a web application on AWS in the us-east-1 Region. The application servers are distributed across three Availability Zones behind an Application Load Balancer. The database is hosted in a MySQL database on an Amazon EC2 instance. A solutions architect needs to design a cross-Region data recovery solution using AWS services with an RTO of less than 5 minutes and an RPO of less than 1 minute. The solutions architect is deploying application servers in us-west-2, and has configured Amazon Route 53 health checks and DNS failover to us-west-2.
Which additional step should the solutions architect take?
A. Migrate the database to an Amazon RDS for MySQL instance with a cross-Region read replica in us-west-2.
B. Migrate the database to an Amazon Aurora global database with the primary in us-east-1 and the secondary in us-west-2.
C. Migrate the database to an Amazon RDS for MySQL instance with a Multi-AZ deployment.
D. Create a MySQL standby database on an Amazon EC2 instance in us-west-2.
Answer
B. Migrate the database to an Amazon Aurora global database with the primary in us-east-1 and the secondary in us-west-2.
Explanation
Amazon Aurora Global Database is designed for globally distributed applications, allowing a single Amazon Aurora database to span multiple AWS regions. It replicates your data with no impact on database performance, enables fast local reads with low latency in each region, and provides disaster recovery from region-wide outages.
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