1. A method for a user equipment (UE) to communicate traffic flow information to a network, the method comprising: detecting a traffic flow, wherein a 5-tuple associated with the traffic flow is unknown by the network; determining the 5-tuple associated with the traffic flow; and reporting the 5-tuple to the network, wherein the reporting is in response to at least one of: receiving a request from the network requesting traffic flow information, or determining that a first policy condition has been met.