The type of network service for all tasks within sessions based on this configuration.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 2.0+
The network service type provides a hint to the operating system about what the underlying traffic is used for. This hint enhances the system's ability to prioritize traffic, determine how quickly it needs to wake up the cellular or Wi-Fi radio, and so on. By providing accurate information, you improve the ability of the system to optimally balance battery life, performance, and other considerations.
For example, specify the
NSURLRequest type if your app is performing a download that wasn’t requested by the user, like prefetching content so that it’s available when the user chooses to view it.
This setting can also affect the Wi-Fi Quality of Service (QoS) Priority.
The default value is