| 摘要 |
PROBLEM TO BE SOLVED: To receive content with the smallest possible loss, in multicast delivery of the content using a secret sharing scheme.SOLUTION: A content reception device comprises a simultaneous reception request function which generates a combination of distribution servers for storing data necessary for restoring content and simultaneously transmits a reception request message to the target distribution servers, a transmission stop function which transmits a transmission stop message to the distribution servers to which the reception request message has been transmitted, and an individual reception request function which determines a combination of distribution servers with the highest probability of content restoration by calculating a statistic using distribution data transmitted from the distribution servers, and transmits the reception request message to the distribution servers of the determined combination. |
