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Subject: RE: [ebxml-dev] CPPA Message Packaging

Here is a short start:

The CPPA notation provides a way to document
what packaging will be used in the implementation
of a business process. The MIME structures of the
messages are described.

The Messaging group specifies what the ebXML 
packages are and what are the ways to extend or combine
these packaging options. 

The Messaging specification describes specific MIME
structures for packaging using the "multipart/related"
type. Because extensions are possible, the CPPA group
allows parties to disclose to other parties or discover 
from other parties the extensions they support.
They then agree on the actual extensions to be used,
if any.

Even when basic ebXML packaging is used, there
are options in how messages return information. For
example, when using HTTP, one message may return
messaging level signals "synchronously", while
another message may independently and "asynchronously"
return business signals and business response. The
possible combinations and options supported 
in this area can be documented
in CPPs and the ones to be used 
can be agreed to in a CPA for the 
business process of interest.

-----Original Message-----
From: Laura McLean [mailto:laura.mclean@briyante.com]
Sent: Friday, January 04, 2002 10:31 AM
To: ebxml-dev@lists.ebxml.org
Subject: [ebxml-dev] CPPA Message Packaging

Both the ebXML CPPA and TRP specifications use message packaging.  I am
sure what the purpose of the packaging in the CPP/CPA is, and what the
relationship between the CPP/CPA and TRP packaging is.  Can anyone clear
this up for me?

Thanks for your help,

Laura McLean

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