Live casino platforms stream real casino games in near real time, using...

https://wiki-tonic.win/index.php/Why_Are_Lightning_Roulette_and_Crazy_Time_So_Hard_to_Scale%3F

Live casino platforms stream real casino games in near real time, using low-latency video to keep the action smooth and fast. They use WebSockets to instantly send your bets to the dealer’s system