Action *communicate(NetCard *src, NetCard *dst, double size, double rate);
double next_occuring_event(double now) override;
bool next_occuring_event_isIdempotent() {return false;}
Action *communicate(NetCard *src, NetCard *dst, double size, double rate);
double next_occuring_event(double now) override;
bool next_occuring_event_isIdempotent() {return false;}