You Can Now Rent Your Own Battlefield 3 Server On PS3 - Game Informer
UPDATE 5] Battlefield 3 1GB PS3 Patch 1.04 is Now Live, Rent A Server Option Added - MP1st
Battlefield 3 and 4's servers are still running and are very much active. There's more optimal ways of playing these games but it's so cool to be able to still play them
EA returns official DICE servers to Battlefield 3 | VentureBeat