| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that has occurred, by providing a user site side with a service program, eliminating necessity for the user site to be connected to a data center all the time and connecting the user site to a network all the time in providing an application providing service. SOLUTION: A data center server accepts a preparation request for a license key from a user server, generates a license key including use limitation, initialized counter information and a counter upper limit value, and transmits the license key to the user server. When a service managing part of the user server requests the start of a service program in response to a start request from an operation terminal, an agent provided in accordance with the service program requests a license managing part to confirm the license key, and when the license managing part decides that the service program can be started on the basis of the confirmation of the license key, the service program is started and use quantity is grasped from counter information. |
