Method and apparatus for data transmission between associated bus systems

a method is presented for transmitting data between at least two to one another by a device (300) connected to the bus system (B1, B2, B3, B4) each having at least one of the participating data processing unit (101-108), which via the bus system, in which it takes part, news can send and receive, wherein the at least one of the connected device through the bus to a cAN bus system in accordance with is, being present for each message to at least one of connected to the device bus (B1, B2, B3, B4), stored based on an identifier of the message and in a designated filter information unit (302) filters information is decided whether the message is temporarily stored in a forwarding memory (303).