Private +----------+ Translated  +----------+     _______
  +------+  IPv4  |   CLAT   |    4-6-4    |   PLAT   |    ( IPv4  )
  | IPv4 |------->| Stateless|------------>| Stateful +--( Internet )
  |Device|<-------|   NAT46  |<------------|   NAT64  |   (________)
  +------+        +----------+      ^      +----------+ 
                                    |                    
                              Operator IPv6
                                Network