FIELD: technology for data transmission in communications system, possible use for controlling stream of data in transmission network between end communication device, connected through gate or via communication equipment.
SUBSTANCE: method and system SYS for controlling data flow DAT in data transfer network WWW between at least two terminal communication devices TEA, TEB, which are connected through at least one access server AAA, AAB to data transfer network WWW, while by means of authentication server AAA, AAB when control is necessary, data flow DAT between terminal devices TEA, TEB is routed through control server PRO, which generates a copy of data flow DAT and sends it to estimation block ASW.
EFFECT: possible control over data flow.
2 cl, 4 dwg
