This improvement enables you to create a new type of Availability Group (AG) listener that's named "distributed network name (DNN) listener" without the load balancer.
Note Removing the load balancer greatly reduces the configuration complexity and also greatly reduces the AG failover latency (by 6 to 7 times for some workloads).
This improvement is included in the following cumulative update for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for your version of SQL Server:
Learn about the terminology that Microsoft uses to describe software updates.