Support User Diagram Protocol Through Per-App Virtual Private Networks

Apple also announced new per-app VPN (virtual private networks) enhancements so IT administrators can have more control over network traffic. iOS 9 includes support for streaming technologies through per-app VPN as the connection can be established as a layer 3, as well as support for UDP (User Datagram Protocol) traffic.

Before iOS 9, per-app VPN network connections was determined by the pre-established underlying network settings, but with the new software, companies can define network routes that managed apps can use while making the per-app VPN connections.