| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent the occurrence of a time lag at stream switching without increasing the network load of present domain. <P>SOLUTION: The relay client apparatus is provided with a unicast stream selection section 22 for selecting a unicast stream of a distribution object among a plurality of unicast streams transferred from a plurality of relay server apparatuses 1A, 1B, and converts the unicast stream selected by the unicast stream selection section 22 into a multicast stream and transmits the multicast stream after the conversion to a stream receiver 5 located in the same domain. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
