Windows system software, starting with Windows 8, that interfaces with networked devices. For example, DAFUPnP is a Device Association Framework (DAF) for Universal Plug and Play (UPnP), which is used to stream media across the network. It is implemented as the DAFUPNP.DLL in the Windows system folder.
Not Quite User Friendly
This message should say "Allow nearby devices to access your device?"
Hardly Any Better
How about "Allow Windows to access your device?" See FDSSDP