Hi, I have heard about champion challenger concept in many BRMS now a days. Do we have something like this in DROOLS also ? Rgds Priya -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/champion-challenger-tp2125330p2125330.html Sent from the Drools - User mailing list archive at Nabble.com.