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From Guido Casper <>
Subject Re: Experience with workflow at Hippo Webworks
Date Tue, 09 Mar 2004 20:34:25 GMT
Hunsberger, Peter wrote:
>>You can call it whatever you want but a "state" in a FSM and a 
>>"continuation" in a script are exactly the same thing, they need to 
>>contain the same amount of data to be able to resort the execution.
>>The problems in replicating one across containers will be the same 
>>problems in replicating the other.
> Hmm, I don't think so.  A FSM (in general) and a continued script are in
> not isomorphically equivalent in CS terms, so there can be no
> equivalence between the maintenance of state and the maintenance of a
> continuation.  However, for practical purposes, I would agree, they need
> to contain more or less the same information.

While this would be true if you are just talking about the continuation 
ID (while destroying the whole idea of querying the repo for task lists) 
you actually have to maintain the whole continuation stack.


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