| 摘要 |
The present invention promotes the use of contents distribution by multicast, and enables users to stop viewing without needing special processing in a terminal, and to restart viewing in the same terminal as that at stop time or a different terminal, thus increasing users' usability and use opportunities. In a distribution system including a service server, a multicast distribution server, and a unicast distribution server, the service server, in a first access from a PC, selects the multicast distribution server as a distribution server, and selects the unicast distribution server as a distribution server after stopping.
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