Re: [regrep] Direct Data Exchange vs. SOA

["Chiusano Joseph" <chiusano_joseph@bah.com>]

Yes - which all accounts to higher cost. Thanks David.

Joe

David RR Webber wrote:
> 
> Joe,
> 
> There's also a huge difference in the accountablity and
> traceability models, not to mention storage policies,
> archival and all the backend.
> 
> Then you have to integrate out to in - instead of
> in to out - in terms of linking backend systems
> to the external service.
> 
> DW.
> ----- Original Message -----
> From: "Chiusano Joseph" <chiusano_joseph@bah.com>
> To: <regrep@lists.oasis-open.org>
> Sent: Wednesday, February 11, 2004 10:37 AM
> Subject: [regrep] Direct Data Exchange vs. SOA
> 
> > I have an inquiry that is not directly related to our mission here, but
> > I hope to get some good insight in response please:
> >
> > Let's say we have a purchase order process between trading partners (PO
> > sent, Invoice received). There are (for the purposes of this inquiry) 2
> > possible ways to handle this process:
> >
> > (1) Direct Data Exchange (create XML documents based on a common schema,
> > and exchange them between trading partners)
> >
> > (2) SOA (have a purchase order/invoice shared service that is discovered
> > in a registry, etc.)
> >
> > My inquiry is: What would drive an organization to use one approach or
> > the other, from both a business and technical standpoint? For instance,
> > would "critical mass of services and/or trading partners" be a driver
> > for SOA vs. direct data exchange?
> >
> > Thanks in advance,
> > Joe
> >
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> >