Fragkiskos Papadopoulos Konstantinos Psounis Ramesh Govindan Performance Preserving Network Downscaling. 285-294 2005 conf/anss/2005 Annual Simulation Symposium http://dx.doi.org/10.1109/ANSS.2005.36 db/conf/anss/anss2005.html#PapadopoulosPG05