| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce a traffic volume over a network by carrying out immediate processing of traffic transfer requests from user terminals at an optional time and aggregating unicast and multicast traffic transfer. <P>SOLUTION: A plurality of the user terminals 1, 2 for requesting and receiving traffic are connected to a aggregating system 4 for carrying out traffic transfer management and multicast traffic aggregating management via a network 3, each of the user terminals 1, 2 comprises a reproduction state management means 12 for managing a reproduction state and notifying the reproduction state, and a reception state management means 13 for managing a reception state and notifying the reception state, and the aggregating system 4 comprises: databases 44 to 46 for NW information, user information, and traffic transfer information; a traffic transfer means 40 for performing transfer control of traffic; a transfer management means 41 for performing transfer management and managing and updating the databases; a judgement means 42 for judging unicast and multicast aggregating on the basis of each information in the databases; and a timer means 43 for performing time management. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
