Abstract: The Internet community is very interested in addressing congestion with active queue management mechanisms like Random Early Detection (RED). Recent proposals extend these mechanisms to actively penalize "misbehav-ing" flows. These methods favor TCP and TCP-like flows strongly over other flows like UDP. In this paper we pro-pose extensions to active queue management disciplines which continue to address congestion and reward TCP-friendly flows while minimizing impact on continuous media flows using other protocols. Our mechanism, Drop Preference Management (DPM), recognizes tagged flows and manages their latency while constraining the band-width they consume. We present empirical results of ex-periments comparing our mechanism to plain RED.