| 摘要 |
The invention relates to a system and method for synchronising coupled multi - computer systems, in particular those used in railway technology. Said syste m and method increase availability and reliability. Multi-computer systems tha t use the inventive system only require one hardware timing module, thus eliminating the risks caused by a synchronisation of hardware timing modules . In order for a coupled computer (R1, R2) to have a clock pulse (pulse), the latter is simulated by the time synchronisation method. As each computer (R1 , R2) is usually equipped with a hardware timing module, the allocation of the active hardware timing module to a computer (R1, R2) can be altered if necessary. Subsystem steps (RD, PC1, PC2, OT) have been introduced into the inventive system to maintain an appropriate separation of the synchronisatio n process (SYN & CHK) from the applications (APP). Said subsystem steps (R D, PC1, PC2, OT) are independent of the operating system (OS-LAY) and the hardware (HW-LAY). This permits the division of applications (APP) into constant elements without the system having to take into consideration the task of the application (APP). Synchronisation points for a validity check a re defined between said steps.
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