extern XBT_PRIVATE double sg_bandwidth_factor;
extern XBT_PRIVATE double sg_weight_S_parameter;
extern XBT_PRIVATE int sg_network_crosstraffic;
extern XBT_PRIVATE double sg_bandwidth_factor;
extern XBT_PRIVATE double sg_weight_S_parameter;
extern XBT_PRIVATE int sg_network_crosstraffic;