Why Heimdall Data for Azure?
Automated Database Failover
Heimdall Data is compatible with SQL Server AlwaysOn with accelerated failover. Ideal for business continuity of planned and unplanned database outages.
SQL Caching
Caches SQL results, invalidates and synchronizes across cache nodes, all without code changes.

SQL Performance Analytics
Identifies SQL slowness: Application? Database? Network?
Audit logging any/all data access (e.g. who, what, when)