A method, a device, and a non-transitory storage medium are described in which a packet size service is provided. The packet size service may calculate a payload size for packets that include application service data. The packet size service may inform an end device and an application service layer network of the calculated payload size. The packet size service may obtain quality of service information pertaining to an application service, and other information as a basis for the calculation. The packet size service may use a machine learning system to calculate the payload size.