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From "Hunsberger, Peter" <>
Subject RE: Experience with workflow at Hippo Webworks
Date Tue, 09 Mar 2004 20:35:42 GMT
Guido Casper <> writes:
> 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.

I think the point was that the "extended state path list" and the
continuation stack would work out to the same thing. But maybe I'm
missing something...

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