# Document history
<a name="document-revisions"></a>

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| Change | Description | Date | 
| --- |--- |--- |
| [Minor updates](#document-revisions) | Bug fixes and numerous minor changes throughout. | April 1, 2022 | 
| [Whitepaper updated](#document-revisions) | Minor editorial updates. | March 21, 2022 | 
| [Whitepaper updated](#document-revisions) | Added information on data plane and control plane. Added more details on how to implement active/passive failover. Replaced CloudEndure Disaster Recovery with AWS Elastic Disaster Recovery. | February 17, 2022 | 
| [Minor update](#document-revisions) | AWS Well-Architected Tool information added. | February 11, 2022 | 
| [Initial publication](#document-revisions) | Whitepaper first published. | February 12, 2021 |