RTP does not reserve bandwidth and won't ensure QoS. RTCP handles QoS and synchronization of various media streams.????? ?? ??? ???? ????. ???? ?? ??? > "??? ????" ??????? ??? ??, ??? ??? ? ?????. ??? ??? ??? ?? ??? ??? ?? ?? ? ????.Apollo 11 marked the beginning of human space exploration outside of Earth and encouraged subsequent missions. It was