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CONTENT BROADCAST DISTRIBUTION SYSTEM, TRANSMITTER AND RECEIVER APPARATUSES USED THEREIN, AND CONTENT BROADCAST DISTRIBUTION METHOD
CONTENT BROADCAST DISTRIBUTION SYSTEM, TRANSMITTER AND RECEIVER APPARATUSES USED THEREIN, AND CONTENT BROADCAST DISTRIBUTION METHOD
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机译:内容广播分配系统,其中使用的发送器和接收器以及内容广播分配方法
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摘要
The present invention is intended to provide a content multicasting system capable of quickly finding the location of a content to be multicast simultaneously. According to the invention, contents to be simultaneously released are extracted on the basis of attribute information on contents, a location table in which location information on the extracted contents and their content identifiers are associated with each other is transmitted, and location information on the contents is acquired by searching the received location tables with priority. This arrangement enables each receiving apparatus, when it intends to find out the location of a content, to promptly know the location of the content by searching with priority among the received location tables, the location table consisting only of contents to be simultaneously released, and as a result concentration of attempted accesses to a transmitting apparatus can avoided.
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