Hi, I was reading recently some information about asynchronous protocols (For example byzantine agreement, reliable broadcast and some more). I noticed that there are many articles about these subjects, some date back to year 2000, though I haven't found any examples of making such code work.
I refer you to http://www.shoup.net/papers/abba.ps for an example of such article. In this article it seems like the author has the ability to call one asynchronous protocol from the execution of another asynchronous protocol, Though I could not find any specific explanation to the design of such a system. I will try to be more specific: If protocol A calls protocol B twice during its execution, and during the second execution of protocol B it sends some message, how does the node on the other side of the line know whether the message sent refers to the first execution of the B protocol, or to the second one? I assume some of you had the opportunity to think about these kind of challenges. Do you have an idea for a simple solution to resolve this, or maybe do you know about an existing implementation? Regards, real.
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