What is Traffic Analytics feature of Network Watcher good for?

Traffic Analytics provides rich analytics and visualization derived from NSG flow logs and other Azure resources' data. Drill through geo-map, easily figure out traffic hotspots and get insights into optimization possibilities.

Traffic Analytics monitors your cloud environment and provides visibility into user and application activity across Azure. Traffic Analytics analyzes NSG Flow logs across Azure regions and subscriptions and equips you with actionable information to optimize workload performance, secure applications and data, audit your organization’s network activity and stay compliant.