Balkanization vs NAT/bridging
”Balkanization” (i.e. uneven zone availability) is mostly unknown territory.
- it may create new failure modes for apps and services
- it may drive deployment of zones over v6 transport
- it will cause confusion
Bridging is a known evil. It has a number of drawbacks and will only work to a certain extent.
- but to that extent it does keep the namespace together