US Patent 8005887 Gateway apparatus and system

For achieving smooth facilities of services within a home network system where service applications of a plural number of service undertakes are mixed with, management is made upon a use memory volume for an application and an accessing authority to equipments within a home by means of a home gateway, and thereby achieving a home network for preventing an unexpected application from communicating with an unexpected equipment within a home, but without obstructing mutual services by the plural number of service undertakers, with setting up an upper limit of memory volume when starting up the application and the accessing authority from the application to the equipment within the home.