lmm_variable_new(network_im_maxmin_system, action, 0.0, -1.0,
constraints_per_variable);
// add to the heap the event when the latency is payed
lmm_variable_new(network_im_maxmin_system, action, 0.0, -1.0,
constraints_per_variable);
// add to the heap the event when the latency is payed