| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to share the same service information between users belonging to the same group and to enable a chat with other users in the same group, in a system in which plural clients are connected with the server and an offer of service is received by them. SOLUTION: Common use of service in the same group is recognized by referring to a user management file 21 by a server 20. In addition, a message received from a client 10 is repeated to the other client 10 in the group by the server 20. A service request received from the client 10 is judged, and when the service request is a service information to be shared, the same service information is transmitted to all the users in the group by a service request reception 4. When the service request is the service to be individually offered, the service information is transmitted only to the client who requests the service by a method to switch a utilization mode of the client to single use, etc. |
