METHOD FOR MANAGING NETWORK DISTRIBUTION DATA AND ITS NETWORK SERVER SYSTEM, AS WELL AS RECORDING MEDIUM IN WHICH SUCH METHOD IS PROGRAMMED AND RECORDED

摘要

PROBLEM TO BE SOLVED: To easily sell contents and manage fee charging at a low cost in accordance with formatted attribute data including copyright data for contents control. SOLUTION: A network server system 11 for exchanging digital data between nodes constituting a network 17 is provided with an attribute data granting part 112 for granting the attribute data to digital data distributed in the network and a fee charging control part 114 for recognizing the attribute data and performing a predetermined fee charging in accordance with the recognized attribute data. One of the nodes is used as a home server 16, and consumed energy data for public infrastructures transferred via the home server 16 and information for specifying their users can be received and fee charging accompanying the energy consumption can be distributed for every user unit.