Application signatures work with the Application File Engine (AFE) to classify network traffic for QoS at an application level. The AFE uses deep packet inspection (DPI) of application data to identify and classify business-critical and nonessential network traffic.

You can verify the application signatures available in your specific RiOS version from within the Management Console. Type the first few letters of the application in the Application Protocol or Application field for QoS configuration. As you type the name of an application, a menu appears and lists available applications that match your typing.