The protocol used for sending/receiving data over the network with UDS by official applications is [[PRUDP]](in some cases at least). In some cases at least this is with PRUDPS(additional encryption layer). This includes UDS-specific data in each frame, such as Mii data. Mario Kart 7 uses PRUDPS here. Triforce Heroes uses plaintext(unlike MK7) for whatever protocol it uses for UDS.
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The protocol used for sending/receiving data over the network with UDS by official applications is [[PRUDP]](in some cases at least). Mario Kart 7 uses PRUDP here. Triforce Heroes uses plaintext for whatever protocol it uses for UDS.