Patent ID: 6907406

Claim:
An on-demand service expanding system connectable to a system provided with a server supplying a variety of services including a connection service with a communication network, a plurality of clients each receiving said variety of services, a plurality of front-ends interposed between said plurality of clients and said server and executing a part of said variety of services of said server based on a demand from each of said plurality of clients, and service expanding equipment connectable to a communication base, said on-demand service expanding system comprising: at least one service broker, and at least one broker controller; said service broker being provided with a means for selecting a front-end among said plurality of front ends that matches a demand of service transmitted from one client among said plurality of clients, said selected front-end connected to said one client to transmit contents of the demand of service with respect to the selected front-end; and said broker controller being provided with a means for controlling the selected front-end so as to connect the selected front end with said server, and a means for controlling said server, said selected front-end, and the service broker from which said contents of the demand of service was transmitted for a period of time during provision of the service.