Improvement
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).
Resolution
This improvement is included in the following cumulative updates for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Service pack information for SQL Server 2016
This improvement is included in the following service pack for SQL Server:
Service packs are cumulative. Each new service pack contains all the fixes that are in previous service packs, together with any new fixes. We recommend that you apply the latest service pack and the latest cumulative update for that service pack. You do not have to install a previous service pack before you install the latest service pack. Use Table 1 in the following article to find more information about the latest service pack and latest cumulative update.
Determine the version, edition, and update level of SQL Server and its components
References
Learn about the terminology that Microsoft uses to describe software updates.
