WAAccessCategory.background
A quality-of-service (QoS) type that provides high throughput for delay-tolerant, noninteractive data transfers of any size.
Declaration
case backgroundDiscussion
Use this Wi-Fi access category for background data transfers, to prevent background traffic from interfering with other higher-priority flows, and for packets transmitted by a NetworkConnection that you set with NWParameter’s serviceClass = .background.
For more information, refer to NWParameters.ServiceClass.background