COMMUNICATION NETWORK SERVICE METHOD AND SYSTEM

PROBLEM TO BE SOLVED: To provide a communication network service method for promoting the utilization of a communication network by allowing a user to inexpensively use a communication network service, and for allowing a provider to increase the number of members, and for allowing a person who does not own any server equipment to easily perform a communication network service providing business. SOLUTION: A virtual provider 120 obtains its unique domain name, and develops a service such as Internet connection, electronic mail, on-line shopping, and contents selling by using a service device owned by a provider 110. At that time, a member can be recruited with a membership fee free, and a part of the sales of the on-line shopping or the contents selling is collected as a margin. Then, a part of the collected margin is paid to the provider 110 as a margin.