| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a system and a method for providing an Internet protocol television (IPTV) service having advantages of reducing a load on network performance and supporting mobility of a mobile node. <P>SOLUTION: If a multicast address of an IPTV channel received from a broadcasting source is a multicast address requested by a mobile node through a tunnel, in an IPTV service providing system, an end router confirms a care of address (CoA) of the mobile node corresponding to the multicast address of the IPTV channel, sets the multicast address in the first header of broadcasting traffic, sets the CoA of the mobile node in the second header of the broadcasting traffic, and then sends the broadcasting traffic. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
