*/
static double bw_factor_cb(double bw_base, const SegmentedRegression& seg, double size, const sg4::Host* /*src*/,
const sg4::Host* /*dst*/, const std::vector<sg4::Link*>& /*links*/,
*/
static double bw_factor_cb(double bw_base, const SegmentedRegression& seg, double size, const sg4::Host* /*src*/,
const sg4::Host* /*dst*/, const std::vector<sg4::Link*>& /*links*/,