| 摘要 |
<p>A content delivery system enabling a deliverer to collect the delivery history and usage history of stream data delivered between and used by nodes in a community. A communication terminal (300) controls the downloading of a content from a delivery server (200) or another node and the reproduction of the content, the recording of a use node history and the number of use nodes, the transmission of history information, and the condition of relay delivery to other nodes according to information which is set in a content delivery message (a TTL section, a relay section, a history information transmission selection, a history information collection section, and a history information record section in Fig. 1) under the relay transmission control by a controller (304).</p> |
