Network system of distributing protected contents through secured carrier server

摘要

In a system of a communication network service, a content providing service apparatus has a storage for storing a plurality of pieces of protected contents, a transfer request accepting section for accepting a transfer request from a user for a particular piece of content, and a content transfer section for transferring the particular piece of content to a relay service apparatus. The relay service apparatus has a content holding section operative when the particular piece of content is transferred from the content providing service apparatus for temporarily holding the particular piece of content in a secured area allocated to the user, a delivery request accepting section for accepting a delivery request for the particular piece of content from the user through a terminal apparatus, and a content delivery section for retrieving the particular piece of content requested for delivery from the secured area and for delivering the retrieved particular piece of content to the terminal apparatus of the user through the communication network service. The terminal apparatus reserves the delivered particular piece of content.