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Subject: Re: MetaModel description


Firstly let me just point out that the proposal to TA from Karsten is at the
moment just that - a proposal. I have circulated it to the TechArch team for
information and we will decide at the conference call next week if it should
be partly, fully or not at all included in our specification.

Secondly, your questions. I did not participate in the BP/CC joint meeting
discussion, but the TA group discussions lead to the following:
- if modelling is used it most be UML. No explicit decision on methodology
exists, but UMM has been used by several, if not all, groups affected.
- A company does not have to model its scenarios to participate. It will
however use what others have defined and these business operations must be

The new version of the TechArch specification, which is the result of the
work in Tokyo, will be circulated later this week. When we have this, we
will see where Karsten proposal is applicable.

Kind regards

----- Original Message -----
From: Welsh, David <David.Welsh@nordstrom.com>
To: 'Jim Clark' <jdc-icot@lcc.net>; agrangard@nycall.com
Cc: Riemer, Karsten <Karsten.Riemer@East.Sun.COM>; ebXML-Architecture List
<ebxml-architecture@lists.ebxml.org>; ebXML-BP@llists.ebxml.org
Sent: Monday, November 20, 2000 6:28 PM
Subject: RE: MetaModel description

> Anders,
> I thought at the last BP/CC joint meeting in Tokyo, on the laast day,
> a
> discussion and there were basic questions during Karsten's presentation
> a
> more fundamental question the BP/CC group had revolved around
> "should this specification metamodel layer even exist in the first place
> Looking at some of the notes from the Tokyo meetings in the specification
> metamodel *proposal* sent out, a key sentence that stands out goes "Use of
> the
> methodology metamodel is optional but recommended".
> Is that true ?
> I looked in a latest version of the TA and I didn't see mention of
> 'optional', rather the opposite message came across to me.
> I thought I also clearly heard from Ray Walker to the BP/CC group in Tokyo
> that the Exec/Steering committee has as one of it's decisions yet to take
> the vote on if UMM is mandated yes or no.
> We have adopted the new UMM in the BP team as what we use to work with.
> Is the proposal suggesting the BP methodology layer of ebXML is optional ?
> If so, then how does proposal support the 'b' in ebXML in definite terms
> from a business
> operating perspective ?
> Also how does the specification metamodel proposal help towards common
> business process
> alignment and further support the fundamental business goals of ebXML ?
> Thanks
> Dave
> -----Original Message-----
> From: Jim Clark [mailto:jdc-icot@lcc.net]
> Sent: Friday, November 17, 2000 2:10 AM
> To: agrangard@nycall.com
> Cc: Riemer, Karsten; ebXML-Architecture List; ebXML-BP@llists.ebxml.org
> Subject: Re: MetaModel description
> Anders,
> When is your next conference call. I would like to be on it as I and
> streneously object to
> the inclusion of this material in any architecture document. It does not
> reflect the general
> consenus of the BP team but rather the viewpoint of a few and has some
> grossly mis-stated concepts
> regarding the metamodel.
> Jim Clark
> "agrangard@nycall.com" wrote:
> > Attached you will find a contribution from Karsten Riemer describing the
> BP
> > meta model. I suggest that we discuss it at the next conference call, so
> it
> > would be good if Karsten or someone from that team could participate. I
> will
> > send you the workplan including the dates for the conference calls as
> > as I have them confirmed with Melanie.
> >
> > Regards
> >
> > Anders Grangard
> > Edifrance
> > Ingenieur - Consultant en Commerce electronique
> > Tel: +33 (0)1 42 91 62 24
> > http://www.edifrance.org
> >
> >                                        Name:
> MetamodelArchitectureChapter.zip
> >    MetamodelArchitectureChapter.zip    Type: Zip Compressed Data
> (application/x-zip-compressed)
> >                                    Encoding: base64

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