you run two instances of LISP-DDT-MS MapReg and MapResolve pairs sharing the same DDT, one instance that uses IPv6/v4 addressing the other is offered as private addresses of what ever ICAF Type the client wishes, for example the INt’l Traffic Control systems is working on using GPS addressing, its private composable addressing. Any dual MS implementation needs to modify/create a separate GROPE/RIG for client MS lookup purposes and supply that to the clients using the alternative ICAF address structure.
The LISP Upper-layer Addressing used by the OSI Layer 5 Application Network instances (ie- Safenetwork nodes) use SCTP, which hole punch the firewall encapsulating SCTP in UDP anytime you go to the 'other world".
r2