well, awacs is fine. but limiting the weapon type is not even at all (as loopback said, with that config, su-27 is unbeatable unless operators are rookies). i know you want to make su-27 has more power to compete with f-15. but IRL, no one will give you such 'even match' in air combat.
also the design of the round makes the match endless: in semi-active round, f-15 sides have benefits from itself, while in IR+awacs round, su-27 has more benefit from the rule not the characteristics of the aircraft/system.
5 hours match, even the live reporter cannot hold on
i don't know who designed the game, but after watching several matches, i prefer 2016 rule