[Fwd: Negotiation Business Process Implementation]

[Martin Sachs <msachs@cyclonecommerce.com>]

Someone please respond to this comment.  Respond to Schlegel directly as 
well as to this list.

Regards,
Marty

>Subject: [Fwd: Negotiation Business Process Implementation]
>From: Sacha Schlegel <schlegel@cs.curtin.edu.au>
>To: msachs@cyclonecommerce.com
>Cc: schlegel@cs.curtin.edu.au
>Organization:
>X-Mailer: Ximian Evolution 1.2.4
>Date: 21 May 2003 01:40:34 +0800
>X-OriginalArrivalTime: 20 May 2003 17:45:37.0968 (UTC) 
>FILETIME=[9F962B00:01C31EF7]
>
>Hi Mr Sachs
>
>In case this mail does not make it to the ebxml-cppa-negot-comment
>mailing list.
>
>Kind regards
>
>Sacha Schlegel
>
>
>-----Forwarded Message-----
>
> > From: Sacha Schlegel <schlegel@cs.curtin.edu.au>
> > To: ebxml-cppa-negot-comment@lists.oasis-open.org
> > Cc: schlegel@cs.curtin.edu.au
> > Subject: Negotiation Business Process Implementation
> > Date: 21 May 2003 01:39:23 +0800
> >
> > Hi ebXML CPPA-Negotiation team
> >
> > For project at Curtin University, Perth, Australia I have implemented a
> > very basic non-compliant Business Service Interface (BSI) which "tries"
> > to implement the Negotiation Business Process Specification (NBPS)
> > instance XML file (uuid="bpid:ebXML:CPPA-Negotiation",
> > version=."R02.00">.
> >
> > Have difficulties with the NBPS.
> >
> > From my understanding (also from reading the Automated Negotiation of
> > Collaboration Protocol Agreements Specificiation Version 0.04) a valid
> > negotiation can be the following:
> >
> >
> > A    -------------offer-------------->  B
> > A    <----counter pending offer-------  B (after 1st BC finished)
> > A    <---------counter offer----------  B (begin 2nd BC)
> > A    -----counter pending offer------>  B
> > A    ----------counter offer--------->  B
> > A    <---------accept-----------------  B
> > A    --------final response---------->  B (after 2nd BC finished)
> >
> > Legend:
> >
> > A Party A
> > B Party B
> > BC Binary Collaboration
> >
> > Assumption: There is allways a "counter pending offer" followed by a
> > "counter offer" in the BinaryCollaboration "CPA Negotiation Counter
> > Offer BC".
> >
> > Studying the NBPS I dont get to the above assumption. Assuming that the
> > "postCondition" in the BusinessTransactionActivity "CPA Counter Offer 2
> > BTA" and "CPA Counter Offer 1 BTA" indicates the "reversion". BTW the
> > value of "postCondition" which is "Parties reverse roles they play"
> > cannot be interpreted by a common BSI IMHO.
> >
> > The error I see is that the parties revers roles ONLY if one party
> > responds to a counter offer with "counter pending offer" but not with an
> > accept or reject doc. That is not clear from the NBPS
> >
> > Kind regards.
> >
> > Sacha Schlegel
> >
> > PS: Next step is to provide a user interface (sort of backend) to the
> > BSI to set the content of the offer and counter offer documents to
> > negotiate over a draft CPA and its NDD.
> >
> > --
> > ------------------------------------------------
> > Sacha                                   Schlegel
> > ------------------------------------------------
> > 4 Warwick Str, 6102 St. James, Perth,  Australia
> > sacha@schlegel.li                www.schlegel.li
> > public key:            www.schlegel.li/sacha.gpg
> > ------------------------------------------------
>--
>------------------------------------------------
>Sacha                                   Schlegel
>------------------------------------------------
>4 Warwick Str, 6102 St. James, Perth,  Australia
>sacha@schlegel.li                www.schlegel.li
>public key:            www.schlegel.li/sacha.gpg
>------------------------------------------------

*************************************
Martin Sachs
standards architect
Cyclone Commerce
msachs@cyclonecommerce.com
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