void NetworkWifiLink::set_host_rate(const s4u::Host* host, int rate_level)
{
auto insert_done = host_rates_.insert(std::make_pair(host->get_name(), rate_level));
void NetworkWifiLink::set_host_rate(const s4u::Host* host, int rate_level)
{
auto insert_done = host_rates_.insert(std::make_pair(host->get_name(), rate_level));