QNAP Turbo NAS - Network Service Discovery; Upnp Discovery Service

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3.4.8 Network Service Discovery
3.4.8.1 UPnP Discovery Service
When a device is added to the network, the UPnP discovery protocol allows the
device to advertise its services to the control points on the network.
By enabling the UPnP Discovery Service, the NAS can be discovered by any
operating systems that support UPnP.