NDRs are specifically used for up-leveling the network defense over and above traditional firewall and IDS and IPS. They are very context aware of what's happening on each connection. They learn the behaviors of connections coming in and going out of your enterprise, as well as east to west.
We are a very large IT house that reaches about 10 million customers and with 100,000 employees. To that extent, we have every security tool conceivable: EDR, NDR, network defense. You mention it, we have it.