Service broker, service brokering method, and recording medium

A service brokering method that is performed by a service broker, the service broker being in a service offer system for offering a service from a server electronic control unit to a client electronic control unit by way of a service oriented communication, the service brokering method comprising:

• receiving a frame for use in an offer of the service from the server electronic control unit or the client electronic control unit;
• determining whether a combination of a service identifier included in the frame received by the service broker, an identifier indicating one of a transmission source and a destination of the frame, and a type of the frame is appropriate;
• and
• providing an output of a result of the determining,
• wherein the service broker is connected to the server electronic control unit and the client electronic control unit in an on-vehicle network,
• the frame is transmitted in the on-vehicle network,
• the frame includes a first identifier of the server electronic control unit and a second identifier of the client electronic control unit, and
• the service broker, upon receipt of the frame, changes at least one of the first identifier of the server electronic control unit or the second identifier of the client electronic control unit.

A non-transitory computer readable recording medium including a program stored therein for causing a computer to execute a service brokering method, the service brokering method being performed by a service broker, the service broker being in a service offer system for offering a service from a server electronic control unit to a client electronic control unit by way of a service oriented communication, the service brokering method comprising:

• receiving a frame for use in an offer of the service from the server electronic control unit or the client electronic control unit;
• determining whether a combination of a service identifier included in the frame received by the service broker, an identifier indicating one of a transmission source and a destination of the frame, and a type of the frame is appropriate;
• and
• providing an output of a result of the determining,
• wherein the service broker is connected to the server electronic control unit and the client electronic control unit in an on-vehicle network,
• the frame is transmitted in the on-vehicle network,
• the frame includes a first identifier of the server electronic control unit and a second identifier of the client electronic control unit, and
• the service broker, upon receipt of the frame, changes at least one of the first identifier of the server electronic control unit or the second identifier of the client electronic control unit.