Great breakdown, flowlet based dynamic load balancing paired with WCMP feels like the real unlock here since most AI fabric congestion comes from static ECMP not adapting to those massive synchronized east-west bursts.    

Since your setup is router based, check if your router firmware has a native OpenDNS or generic DDNS client option, many support OpenDNS updates directly without needing DNS-O-Matic as a middleman. If your router doesn't support OpenDNS specifically,...