The present invention refers to a system for executing applications, wherein said system is organized by layers and is designed to be used in an open broadcasting television system, and said system is capable of allowing the execution of applications produced by television broadcasters in the different hardware present in the Set-top Box andor television set present at the viewer’s residence. In one exemplary embodiment, this invention enables IEEE 1394-compliant devices to communicate across an Ethernet infrastructure, such as one enabled by the Ethernet AVB Standard. A command receiving section that has received a settingupdating command C1 stores this settingupdating command in a command database. The profile sections at the Z distances are joined smoothly with one another to form the nozzle airfoil shape. Varying the phase relationship between the camshaft and the engine crankshaft in a pre-determined specific way varies the duration of the engine valve opening in the required way, thus varying the volumes of air received into and discharged from the engine. The STA1 may then bridge data traffic flow between the STA2 and the STA3.