by using DPI data have an outbound policy with the ability being able to route traffic based on application type.
Cisco look to be doing it already and calling it AAR Application Aware Routing.
Configuring Application-Aware Routing (AAR) Policies | NetworkAcademy.io.
It looks to me that peplink already has the bones to do the same thing but better.
Giving the ability to manage application traffic based on all sorts of criteria eg cost of data, latency speed, availability.