The latest release of vNIOS for Azure includes the following new enhancement:
Support for High Availability Configuration (RFE-12151)
Starting from NIOS 9.0.4, you can deploy instances of vNIOS for Azure appliances in high availability (HA) configurations. The HA configuration supports the use of a public IP address on the HA interface. For steps to deploy the instances, see Deploying vNIOS for Azure Public Cloud from the CLI.
Support for Synchronization of Azure DNS (RFE-11046)
Synchronize Azure DNS data to NIOS to obtain a unified visualization experience. The Azure DNS synchronization feature of NIOS has the ability to automate the process of discovery and synchronization of DNS data from multiple subscriptions of an Azure tenant. For more information, see Integrating Azure DNS with NIOS.
Support for Network Insight (RFE-10248)
...