TREE TYPE BROADCAST SYSTEM, METHOD FOR BROADCASTING CONTENT, BROADCAST MANAGEMENT APPARATUS, AND BROADCAST MANAGEMENT PROCESSING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a tree type broadcast system capable of reducing loads of a broadcast station and network loads.

SOLUTION: A content distributed storage system distributedly stores a plurality of content data in a plurality of node devices and allows each node to provide the stored content data through a network according to a request from another node device. A broadcast management apparatus in the tree type broadcast system in which the plurality of node devices are connected like a tree through a communication means while forming a plurality of hierarchies arranging a broadcast apparatus on the top position and the data broadcasted by the broadcast apparatus are sequentially transferred from the node device of the upper hierarchy to the node device of the lower hierarchy stores a broadcast list in which broadcast time is associated with information indicating the node device storing the content data, specifies the node information storing the content data to be broadcasted from the broadcast list and transmits instruction information for instructing broadcasting.

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