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Subject: Re: [PartyId "type" negotiation]


Although my prior posting (sent before this one) gave my answer, I want to
point out that you should read the PartyId Element section in the CPA-CPP
spec.  You will see that it already covers your suggestion in your posting.



Martin W. Sachs
IBM T. J. Watson Research Center
P. O. B. 704
Yorktown Hts, NY 10598
914-784-7287;  IBM tie line 863-7287
Notes address:  Martin W Sachs/Watson/IBM
Internet address:  mwsachs @ us.ibm.com

Prasad Yendluri <pyendluri@webmethods.com> on 04/02/2001 10:07:35 PM

To:   "William J. Kammerer" <wkammerer@foresightcorp.com>
cc:   ebxml-tp@lists.ebxml.org
Subject:  Re: [PartyId "type" negotiation]

"William J. Kammerer" wrote:

> There is no need for either party to use the same type of addressing as
> the other.

Sorry, that was not my point. If one party uses arbitrary partyId "type"
(for their own partyId), the receiving party may not have the framework to
verify the Id to be a valid one per the "type" (say DUNS).

Currently it seems theoretically at least one can accomplish this by having
multiple PartyInfo elements (or separate CPPs  :^&) with different PartyId
specs. It would be good to have a way to offer options and pick the ones
that suit both parties, in one instance of the CPP.

> I might have both a DUNS and an NMFTA SCAC (being a motor carrier) and
> identify myself in the CPP with two <PartyId> alternates.  Either is
> acceptable for addressing me.   My trading partner may be a retail
> chain, with a DUNS and a UCC/EAN GLN, again each being acceptable IDs to
> him. I may address the retail chain by his DUNS, and he may choose to
> address me by my SCAC. Yet another third party, a bank, might choose to
> address us each by our respective DUNS, and we might address the bank by
> its ABA Routing Code.

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