SQL Server on Amazon EC2 architecture diagrams
This section provides architecture diagrams that illustrate the HA/DR strategies described in previous sections.
Two-node HA/DR architecture with Always On availability group cluster (single-Region, Multi-AZ)

Three-node HA/DR architecture (single-Region, Multi-AZ)

Four-node HA/DR architecture with Always On distributed availability group cluster (multi-Region, Multi-AZ)

Three-node HA/DR architecture with single availability group (multi-Region)

Three-node HA/DR architecture with log shipping (multi-Region)
