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message duplicatoin in promela

Discussion in 'Electronic Design' started by Phil Newman, Dec 19, 2003.

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  1. Phil Newman

    Phil Newman Guest

    how can I implement message duplication in promela?

    A duplicate message is recognized by the fact that the received flag was set
    to true before. There are two possible reasons for the arrival of a
    duplicate message:

    The message was received, but not yet acknowledged.

    The message was received and acknowledged, but the acknowledgment somehow
    did not reach the sender.

    I know that you essentially just have to reuse messages in the sender
    process when you send, give it a choice to send an old one or a new one, but
    how can I implement this in promela?

    I can do message loss easily enough, but not sure about message duplication.

    cheers

    phil
     
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