To provide the best infrastructure with the highest availability and data loss protection, the Activation Server runs in the Amazon data center in Ireland .
Starting with version 5.4, Amazons own database - Aurora - is used.
Amazon Aurora is designed to offer greater than 99.99% availability. Recovery from physical storage failures is transparent, and instance failover typically requires less than 30 seconds. Amazon Aurora's storage is fault-tolerant and self-healing. Six copies of your data are replicated across three Availability Zones and continuously backed up to Amazon S3.