Gateway for automatically routing messages between buses

Details Gateway for automatically routing messages between buses Gateway for automatically routing messages between buses

2011-03-15

2011-03-15

Abelson, Ronald (Department: 2476)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C701S029000

Reexamination Certificate

active

07907623

ABSTRACT:
A gateway is provided for automatically routing messages between buses, the gateway being connected to multiple communication components for temporarily storing and transmitting messages via these buses, and having a gateway control unit which is connected to the communication components via a system bus for the exchange of messages, and which receives notification from each communication component of the occurrence therein of a message to be routed as an external event. The gateway control unit has a vector memory which includes a first memory region for storing communication component vectors, a communication component vector being provided for each message group of a communication component, and the vector indicating the point in time of the next expected internal event for a message that is temporarily stored in the communication component, and indicating a vector jump address to a message vector which is stored in a second memory region of the vector memory.

REFERENCES:
patent: 2001/0047228 (2001-11-01), Froeschl et al.
patent: 2004/0015680 (2004-01-01), Matsuo
International Search Report, PCT/EP2007/051180, dated Aug. 14, 2007.
Ryan et al., “Clock Synchronisation on Multiple TTCAN Network Channels,” Microprocessor and Microsystems, IPC Business Press Ltd., London, GB, vol. 28, No. 3, Apr. 23, 2004, pp. 135 to 146, XP004502590, ISSN: 0141-9331, p. 138.

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