An application running on ECS Fargate uses Amazon Aurora MySQL as its relational store. Regulatory requirements demand cross-Region recovery with no data loss and minimal operational overhead. Which solution meets these constraints with the least operational effort?
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Correct answer: Provision an Aurora Replica in a different AWS Region..
Why this is the answer
Provisioning an Aurora Replica in a different AWS Region is the most effective solution because Aurora Global Database is specifically designed for cross-Region disaster recovery with zero data loss (RPO of 0) and minimal RTO. It uses dedicated infrastructure for asynchronous replication, making it highly efficient and requiring very little operational overhead once configured. DataSync and DMS are primarily for data transfer or migration, not optimized for continuous, zero-RPO cross-Region replication of an active Aurora database. DLM manages snapshots, which introduces an RPO equal to the snapshot interval (5 minutes in this case), violating the no data loss requirement.
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