vRealize Network Insight delivers intelligent operations for software-defined networking and security. It helps customers build an optimized, highly-available, and secure network infrastructure across multi-cloud environments. It accelerates micro-segmentation planning and deployment, enables visibility across virtual and physical networks, and provides operational views to manage and scale the VMware NSX deployments.

Think of your entire data center as being composed of entities and their relationships. As an example, a virtual machine is an entity, and the virtual machine is part of a Host which is another entity. vRealize Network Insight provides visibility and information on numerous entities that are part of your data center.
Table 1.
Entities Description
Host
Problem
NSX Firewall
Virtual Machine
vSphere Distributed Switch
Physical Switch
Virtual Port Group
Cisco Fabric Extender
Logical Switch
Datastore
Physical Network Interface Card
Security Group
Blade
Router
VLAN
Group of VMs
Configuration Changes
Router Interface
Troubleshoot
Network Access Translation (NAT)
Mail Server