W3C home > Mailing lists > Public > public-ws-addressing-comments@w3.org > May 2005

no mustUnderstand extensibility

From: Jacek Kopecky <jacek.kopecky@deri.org>
Date: Tue, 03 May 2005 15:54:59 +0200
To: public-ws-addressing-comments@w3.org
Message-Id: <1115128499.3326.88.camel@Kalb>


as an LC comment for WS-Addressing, it is my opinion that section 2.5 of
the Core spec is incomplete at best.

In particular, it concludes with "designers should consider whether they
desire standard processing per this specification in cases where their
extension is not recogonised or understood" but what if a designer comes
up with the answer that nope, they don't desire standard processing if
their extension is not understood? Either the section 2.5 should be
extended with a rationale for not allowing this scenario or a model for
required (mustUnderstand) extensions should be devised. 

For the sake of simplicity, I'd probably prefer either reusing some
existing mechanism for that (like wsdl:required), possibly raising a W3C
issue about the creation of a general mechanism (xml:mustUnderstand?),
or just saying clearly and explicitly that WS-Addressing does not
support required extensions and why.

Also, please note the typo in "recogonised" present in that text in the

Best regards,

                   Jacek Kopecky

                   Ph.D. student researcher
                   Digital Enterprise Research Institute
                   University of Innsbruck
Received on Tuesday, 3 May 2005 13:55:16 UTC

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