> We're doing NAT-upon-NAT Perhaps, much like many of the other standards we've settled on despite the existence of technically superior alternatives, this sol

> We're doing NAT-upon-NAT Perhaps, much like many of the other standards we've settled on despite the existence of technically superior alternatives, this solution is good-enough, and it was easier to implement, and it was here first. Sort of like how we still use UNIX instead of Inferno.