PROVIDER NETWORK SYSTEM

摘要

PROBLEM TO BE SOLVED: To reduce the load of the facility cost, operation cost, management cost, etc., as to a provider-side storage device. SOLUTION: Part of a storage device 023 of a client terminal 022 which is normally connected to a server 011 of a provider 010 is secured as a provider- used area 025 that the provider 010 can use and the provider 010 ciphers contents data matching the environment of each client terminal 022 according to properties of the contents of a characteristic database of a client and stored contents data and saves the data in the provider-used area 025 of the client terminal.