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Subject: Re: [ubl] Processing models for homogenous and heterogeneous UBL deployments


Just catching up with this.

Let's discuss starting next week.  We have a lot to get through
first.

Jon

G. Ken Holman wrote:
> Hello all,
> 
> In Montréal we talked about the "val/" directory and the annex on 
> two-phase validation being updated for UBL 2.1 but essentially identical 
> to UBL 2.0 (except for some filenames).
> 
> In other correspondence today I cited how we now have two processing 
> models being discussed for UBL:
> 
>  (1) - for homogeneous deployments of UBL where all instances are at the
>        same specification level, e.g. all are UBL 2.0 or all are UBL 2.1
>      - the documented two-phase validation process as illustrated in the
>        "val/" directory is suitable
> 
>  (2) - for heterogeneous deployments of UBL, e.g. where UBL 2.0 and
>        UBL 2.1 instances are being used but a particular deployment
>        is stuck on UBL 2.0 until they migrate their system to UBL
>        2.1 (or any forward-compatible requirement)
>      - the simple two-phase validation process is not suitable
>      - the augmented process in section "4 Validation" of the public
>        review draft is better suited
> 
> That brought to mind some unfinished business regarding documentation 
> and packaging for UBL 2.1.
> 
> Do we need to cite Section 4 of the UBL 2.0 customization guidelines in 
> the UBL 2.1 hub document?  The same augmented processing model will be 
> important to implementers of UBL 2.1 who need to be forward compatible 
> with future UBL 2.x deployments.
> 
> Or perhaps more importantly for UBL 2.0 users who need to accommodate 
> 2.1 instances before they can migrate their systems to support UBL 2.1 
> instances.  The existing UBL 2.0 documented processing model cannot 
> accommodate this, while the processing model in the customization 
> guidelines can accommodate this.
> 
> Do we need a second batch file in the "val/" directory that illustrates 
> this augmented process?  I don't think we can because it needs resources 
> that are not committee resources (the instance filters).  Crane has the 
> freely-available instance filter resources for implementers to use, but 
> the BSD license I've chosen obliges the source of the materials to be 
> acknowledged (which perhaps isn't appropriate in an OASIS specification).
> 
> But at the least I think we need to cite the Customization Guidelines 
> from the hub document in the discussion of validation.
> 
> . . . . . . . . . . . . . . Ken
> 
> -- 
> Interested in these classes?  http://www.CraneSoftwrights.com/o/i/
> Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/o/
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> G. Ken Holman                 mailto:gkholman@CraneSoftwrights.com
> Male Cancer Awareness Nov'07  http://www.CraneSoftwrights.com/o/bc
> Legal business disclaimers:  http://www.CraneSoftwrights.com/legal
> 
> 
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