An information delivery system and information delivery method can provide
information delivery services that utilize network resources efficiently.
A push server 3 transmits data associated with summary content 15
(summary of detailed content 23) to a push delivery controller 2, and a
terminal 1 transmits data associated with the terminal 1 to the push
delivery controller 2. According to these data, the push delivery
controller 2 decides the terminal to which the summary content is to be
transmitted, and notifies the push server 3 of the terminal. The push
server 3 transmits the summary content to the terminal notified. When the
terminal 1 wishes to acquire the detailed content corresponding to the
received summary content, it sends to the pull server 4 a request to
transmit the detailed content. In response to the request, the pull
server 4 transmits the detailed content to the terminal 1.