Treyarch director of technology Cesar Stastny has confirmed on Twitter that the latest Call of Duty will feature dedicated ranked multiplayer servers on PC.
Confirmed: Ranked Dedicated Servers for #BlackOps2— pcdev (@pcdev) June 16, 2012
It's good news, and more than a little overdue. Dedicated servers made a return with Modern Warfare 3, but were unranked and therefore didn't contribute to your overall progress. It seems like reliable, full-featured servers have crawled back bit by bit since they originally vanished from the series.