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Subject: [business-transaction] FW: Infinite Loops and webservices



Catching up on my reading and found this on ws-arch.  Interesting as a 
use case.

=bill

-----Original Message-----
From: www-ws-arch-request@w3.org [mailto:www-ws-arch-request@w3.org]On
Behalf Of Tim Coote
Sent: Wednesday, April 17, 2002 9:07 AM
To: www-ws-arch@w3.org
Subject: Re: Infinite Loops and webservices


Surely any application that potentially puts out contractually binding
information would have to be built with the BTP architecture to cover this
sort of issue, so that it has a sensible application delivery framework to
make the designers / programmers consider this.
tc
----- Original Message -----
From: "Fraser David" <david_a_fraser@hotmail.com>
To: <www-ws-arch@w3.org>
Sent: Tuesday, April 16, 2002 5:56 PM
Subject: Infinite Loops and webservices


> I have an idiot question:
> Given how loosely coupled webservices and their clients can be and the
high
> degree of dynamicity(?) there can be in choosing webservices could it be
> possible that infinite loops could occur between companies?
> e.g.
> Company X manufactures widgits
> Company Y manufactures widgits
> Company Z is a retailer of widgits
>
> Company Z runs out of widgits and through dynamically searching through a
> UDDI registry determines that Company X has the best price for widgets.
> Company X does not have enough widgets to immediately fulfill the order
but
> instead informing the client of this Company X's webservice has been
> programmed to search for another widget manufacturer (Company Y) in the
UDDI
> registry and buy the widgets at
> cost thereby keeping the business of Company Z. Company Y only has 1
widget
> left. Unfortunately its webservice has been programmed to search for the
> cheapest widget manufacturer in the UDDI registry if it does not have
enough
> widgets to complete a sale. As Company X has the
> cheapest widgets it invokes it's webservice. This completes the loop and
> Company X and Y end up ordering 6 bazillion widgets from each other to
> fulfill Company Z's need for only a couple of widgets.
>
> D.
>
>
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