And there are actually some use cases where NAT66 may make sense (various multi-homing and re-numbering avoidance scenarios). I think the jury is still out. I t

And there are actually some use cases where NAT66 may make sense (various multi-homing and re-numbering avoidance scenarios). I think the jury is still out. I think we'll see lots of NAT66, but for completely different reasons than we've seen v4 NAT. I do think those uses will tend to involve 1-to-1 prefix translation rather than many-to-1 mapping.