all_existing_models->push_back(surf_network_model);
simgrid::s4u::Link::on_communication_state_change.connect(IB_action_state_changed_callback);
simgrid::s4u::Link::on_communicate.connect(IB_action_init_callback);
all_existing_models->push_back(surf_network_model);
simgrid::s4u::Link::on_communication_state_change.connect(IB_action_state_changed_callback);
simgrid::s4u::Link::on_communicate.connect(IB_action_init_callback);