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TIMED METHOD FOR PERIODIC ERROR TOLERANT TRANSPORT OF REAL-TIME DATA IN A DISTRIBUTED COMPUTER SYSTEM
TIMED METHOD FOR PERIODIC ERROR TOLERANT TRANSPORT OF REAL-TIME DATA IN A DISTRIBUTED COMPUTER SYSTEM
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机译:分布式计算机系统中实时数据定期容错传输的定时方法
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摘要
The invention relates to a method for periodic transmission of real time data in a computer system, particularly a distributed computer system, which computer system is comprised of node computers (201-208), particularly an appreciable number of node computers (201-208), and distributor units (211-215), particularly an appreciable number of distributor units (211-215), wherein the node computers (201-208) and the distributor units (211-215) have access to a global time, and wherein real time data are transmitted by means of time-triggered real time messages, wherein selected distributor units (212, 213, 214, 215) form a central structure of distributor units; and wherein during a periodic communication round (PCR), in the error-free case, at least two copies of each real time message to be sent are transmitted via at least two independent routes through the central structure, by executing a satisfying or an optimal time plan, from a start distributor unit in the central structure to a target distributor unit in the central structure; such that in the error case, error handling can begin immediately after an error detection time point contained in the time plan, preferably in the optimal time plan.
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