Method and system for handling data based on the acknowledgement and extraction of data packets
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Abstract
The invention relates to a method for handling, namely forwarding and extracting, data, especially messages, in a system comprising at least one data source and a plurality of data receivers. The invention also relates to a corresponding system comprising at least one data source and at least one data receiver. At least one set of data, especially a message, is forwarded to a plurality of data receivers from a data source. According to the invention, when a set of data forwarded from the data source is acknowledged by one of the data receivers, said acknowledged data is preferably automatically extracted from the data source for the rest of the data receivers.
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Citations
35 Claims
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1-17. -17. (canceled)
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18. A method for handling messages in an automation system having at least one data source and a plurality of data receivers, the method comprising:
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forwarding a message from the data source to the plurality of data receivers;
acknowledging the forwarded message by at least one data receiver of the plurality of data receivers; and
withdrawing the forwarded message from the plurality of data receivers other than the at least one data receiver upon acknowledging the forwarded message by the at least one data receiver. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A device for handling messages in an automation system, comprising:
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at least one data source configured to forward a message to the plurality of data receivers; and
a plurality of data receivers, wherein at least one data receiver of the plurality of data receivers acknowledges the forwarded message, and the forwarded message is withdrawn from the plurality of data receivers other than the at least one data receiver upon acknowledging the forwarded message by the at least one data receiver. - View Dependent Claims (27, 28, 29, 30)
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31. An automation system, comprising a plurality of automation devices configured to exchange messages, wherein
at least one of the automation devices is configured as a data source for forwarding messages to the other automation devices, the other automation devices configured as data receivers, a message is forwarded from the data source to the plurality of data receivers, the forwarded message is acknowledged by at least one data receiver of the plurality of data receivers, and the forwarded message is withdrawn from the plurality of data receivers other than the at least one data receiver upon acknowledging the forwarded message by the at least one data receiver.
Specification