[ebxml-cppa] [ebxml-msg] How do you know where a message came from?

[Martin W Sachs <mwsachs@us.ibm.com>]

FYI - question about return address from Dan Weinreb.

Regards,
Marty

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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
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---------------------- Forwarded by Martin W Sachs/Watson/IBM on 10/11/2001
03:27 PM ---------------------------

Dan Weinreb <dlw@exceloncorp.com> on 10/11/2001 02:57:55 PM

Please respond to Dan Weinreb <dlw@exceloncorp.com>

To:   Martin W Sachs/Watson/IBM@IBMUS
cc:   ebxml-msg@lists.oasis-open.org
Subject:  [ebxml-msg] How do you know where a message came from?



Hi.  On the last day of the F2F meeting, we had a discussion about how
MSH's are named, i.e. if the From Application wants to tell the From
MSH to deliver a particular message to destination D, what is the
datatype of D?  I had thought that the answer was a PartyId, but you
and others explained to me that a PartyId value would typically
correspond to an entire corporation, which might have a large number
of distinct destination MSH's.  The datatype of D is really "URL".  If
an application wants to use the MS protocol, and wants to use a CPA,
it would look in the CPA's CPA/PartyInfo/Transport/@transportId
attribute in order to find the URL that names D.

I've been thinking about that, and I have a question: if my MSH
receives an ebXML message, how do I determine which MSH it came
from?  Previously, I had thought that MSH's were named by PartyId's,
and the source of the arriving message would be found in the
MessageHeader/From/PartyID field.  But now I don't know how to
determine the originating MSH.

Thanks!

-- Dan Weinreb

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