Hi all, Few weeks ago, the PIE (Proportional Integral Controller Enhanced) AQM scheme was described in this initial draft -- http://tools.ietf.org/html/draft-pan-tsvwg-pie-00. As follow up, the corresponding pseudocode and ns-2 simulation code + README can be found here -- ftp://ftpeng.cisco.com/fred/ropan/ Best, Preethi (on behalf of co-authors).