For an NSX-T VI workload domain, NSX Edges are required to enable overlay VI and public networks for north-south traffic. A minimum of two NSX Edge nodes are required for high availability and redundancy.

This document describes how to deploy NSX Edges on a VI workload domain. If you have latency intensive applications in your environment, you can deploy NSX Edges on bare metal servers. See Deployment of VMware NSX-T Edge Nodes on Bare-Metal Hardware for VMware Cloud Foundation 3.10.