multicast and unicast mixed streaming apparatus and method for mobile IPTV service

摘要

An apparatus and method for providing on-demand video service based on multicast and unicast are disclosed. The on-demand video service providing apparatus according to an embodiment of the present invention, when each terminal requests the same on-demand video content, a content synchronization unit determining a transmission method according to the time difference of requesting the corresponding content, and a transmission method determined by the content synchronization unit And a content transmitter for transmitting the content to each terminal.