In short, a packet with new data (and respective flags to indicate it) can be sent as if the previous one were not sent at all. At receiving side it overrides processing the previous packet (if it has actually been received), or is processed normally otherwise.
In short, a packet with new data (and respective flags to indicate it) can be sent as if the previous one were not sent at all. At receiving side it overrides processing the previous packet (if it has actually been received), or is processed normally otherwise.