User blog comment:Nhan-Fiction/LEAGUE OF LEGENDS MUST EXPAND ITS BANNING PHASE/@comment-3003548-20160401110501/@comment-5001455-20160403010108

The current banning sequence could actually remain the same if Riot really wanted. To speed it up, they could always make it so people ban in chunks (two champs or so) before alternating to the last and final bans. Afterward, normal picking would occur.