1. An apparatus comprising: processing circuitry configured to select a service quality level at which a data flow of a communication service is to be effectuated by the apparatus upon a reverse channel, the service quality level being selected based on an upper-layer application operable by the apparatus, the upper-layer application being associated with the data flow, wherein the processing circuitry is also configured to generate a service quality indication message indicating the selected service quality level at which the data flow of the communication service is to be effectuated.