The Australian federal government has been aiming for a suppression strategy while the states have been eliminating the virus any time it appears anyway. We’ve had a few minor outbreaks over the last 6 months, just like NZ - and each one has been eliminated down to 0 cases again. Just like NZ. Practically speaking our policies are pretty much the same. And if either country has covid start spreading, I’m sure the international border will close again just like our interstate borders.