Start with the transport distinction
The current TCP specification describes a reliable, ordered byte-stream service. UDP supplies datagrams without the same built-in guarantees of ordered reliable delivery. These are useful distinctions when reading technical documentation, but they do not make every TCP-based viewing session smooth or every UDP-based application unreliable. A practical result still depends on the application and the complete network arrangement.
Do not ignore protocols built above UDP
QUIC is a documented example of a protocol built over UDP that supplies reliable streams and other transport functions. This prevents a misleading shortcut in which the word UDP alone is treated as proof that an application cannot recover delivery. Identify the actual protocol stack being discussed instead of changing player settings based on one abbreviation in an online comment.
Keep supported endpoints and settings intact
A service must actually offer the delivery method a client uses. Editing an address prefix does not create another transport endpoint or make an account valid for it. Follow the legitimate source and application configuration. If a player exposes a protocol option, first understand what the provider documents for that option rather than treating it as a universal speed switch.
Measure an actual symptom
Record whether the problem is connection failure, repeated stalls, corrupted output or delayed live coverage. Compare a controlled sample through a supported configuration and keep other variables stable. The standards explain properties at a technical layer; they do not establish an individual service’s latency, resolution, connection allowance or rights. A useful report identifies the application and observed failure rather than assuming one transport label settles the diagnosis.
Questions, answered
Is UDP always faster and therefore the correct choice?
That conclusion does not follow from the transport name. The application’s recovery, buffering and supported delivery design matter; use the service’s documented configuration and evidence from the actual setup.