I would boil it down to this:Network-centric design simply means having 1 bridge-domain per subnet and strives for 1 EPG per BD, so having many small BDs each mapped to a small subnet. So many BDs.Application-centric design strives for 1 large supern...

I love the reply and find ACI to be needlessly convoluted and frustrating, but I want to add to this that in the dcloud aci 6.0 getting started lab, they went with 1 app profile, 3 EPGs & 3 BDs (1, 3, 3), instead of 3, 3, 3 or 1, 3, 1. They used 3 BD...

Any update to how well this works in practice? It looks too great to be true.

NEVER disable spanning tree on a production switch! You will create a loop! If you create a loop you may need to reboot the switch in order to recover from it!