. . . "UPnP in the present embodiment is only an example, and a service protocol such as Web Service, WebServices for Devices (WSD) or a combination of UPnP, Web Service, WSD and other service protocols can also be used.In FIG. 1, a single service control apparatus 102 is connected to the LAN 101A. However, a plurality of service control apparatuses 102 can be connected to the LAN 101A. Further, in FIG." .