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Subject: Re: [ubl] Minutes of Atlantic UBL TC call 8 August 2007
At 2007-08-08 09:06 -0700, jon.bosak@sun.com wrote: >MINUTES OF ATLANTIC UBL TC MEETING >WEDNESDAY 8 AUGUST 2007 >... > ACTION (from Manhattan): MG to investigate the impact of GKH's > proposed namespace-based versioning mechanism on the NDR. > AGREED that if no critical problems are found in this > investigation, we will adopt GKH's proposal for namespace-based > versioning, as contained in > > http://www.oasis-open.org/committees/document.php?document_id=23654 > > MG: Only major impact is that we will have to revert to > capturing the minor version in the namespaces. > > BH: Chief concern is impact on users. If a system is set up > for a particular minor version and the next minor version > doesn't introduce features requiring an update to the > system, the system will have to be changed anyway just to > accommodate the revised namespaces, and trading partners > will have to be notified as well. We're not supposed to > design around tools, but this looks like a major hardship to > people who have implemented UBL: a minor version change has > the same impact as a major version change. > > JB: GKH may also be having his doubts about this for other > reasons. > > ACTION: JB to ping GKH and see what his current thinking is > regarding namespaces as a versioning mechanism. Just a clarification: I expressed to Jon I was having doubts only on the improvements introduced in New York, while I am still quite confident in the basic approach described in Montréal a year ago. I'm anxious to talk with Mike and Betty on this because the processing model I've proposed is resilient to changes introduced in the namespaces. That is the whole point: in a heterogeneous network with different implementation levels of UBL instances, the introduction of a UBL instance of a higher revision does *not* impact on any existing implementations of lesser revisions. I understood this to be the problem to be solved and I feel confident my proposed processing model achieves the objective. In New York I characterized optimizations of the processing model that have since proven to not be sufficient to the task at hand. I understand not everyone is yet comfortable with what I've proposed but I am hoping that is only because the benefits have not been properly conveyed on my part, rather than there be an actual downside to the approach. Yes, I haven't seen this approach taken by other vocabularies, but I don't think that should take away from the benefits I believe we achieve. . . . . . . . . . . . . Ken -- Upcoming public training: XSLT/XSL-FO Sep 10, UBL/code lists Oct 1 World-wide corporate, govt. & user group XML, XSL and UBL training RSS feeds: publicly-available developer resources and training G. Ken Holman mailto:gkholman@CraneSoftwrights.com Crane Softwrights Ltd. http://www.CraneSoftwrights.com/o/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) Male Cancer Awareness Jul'07 http://www.CraneSoftwrights.com/o/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
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