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Subject: Re: [ebxml-msg] Restructuring

Hi Dale

Thanks for the response - to answer your question - I see nothing specified that would prevent a RFQ from being distributed over a default MPC to numerous parties, however, not sure what you mean with an open authorization policy ... do you mean authorization via non-normative means ?

My concern here is that a pull request on any MPC is open to any party who knows the MPC identity without authentication in the pull request signal message.

On 01 Jul 2011, at 3:55 PM, Moberg Dale wrote:

> The default channel behavior is not very constrained by the specification, nor are there a lot of rules about sharing a channel (multiple authorized partners). I think it would be permissible to distribute the same document to multiple authorized partners on the default channel. There is a remark about FIFO being recommended, but it is not mandated.  Bookkeeping for behavior of distributing, for example, a "request for quote" over a default channel would be implementation dependent, it seems to me. Do you see something specified that would prevent a request for quote from being distributed over a default MPC to numerous parties? Possibly such a use case could even be governed by an open authorization policy...
> -----Original Message-----
> From: Theo Kramer [mailto:theo@flame.co.za] 
> Sent: Friday, July 01, 2011 6:12 AM
> To: ebxml-msg@lists.oasis-open.org
> Subject: Re: [ebxml-msg] Restructuring
> Yep - but resulting imo something that is less than limited, ie. once a message is retrieved from the default MPC it is gone whether or not it was retrieved by the intended party or not.
> Perhaps a clarification/recommendation on that in the AS4 draft would suffice.
> On 01 Jul 2011, at 3:01 PM, Pim van der Eijk wrote:
>> Well, as I understand it, Partner authorized_for Channel is
>> an N * M relation. Channel used_for Pmode is an 1 * M
>> relation.
>> So multiple partners could be authorized to pull from the
>> default MPC,  and different types of messages could be sent
>> on it.
>> But I think the practical value of the default MPC (without
>> extensions like sub-channels mentioned below) is limited. 
> <snip>
> -- 
> Regards
> Theo
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