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From Stephen McConnell <mcconn...@apache.org>
Subject Re: Verifying Meta Tags
Date Tue, 08 Apr 2003 15:04:25 GMT

Berin Loritsch wrote:

> Stephen McConnell wrote:
>> Yes - but this is not about extension - its about recognition.
> Chill out, man.  Its OK.  First let's iron out the semantics.
> We will worry about the "recognition" when it is time. 

Cough, cough, .... ummm - "recognition" is central to the semantics.  
Recognition is a requirement for reliable component depolyment.  Without 
recognition the value and utility of having "common" a.k.a. "container 
independent" is very questionable.  It simply takes you the point where 
you have a set of tags them themselves cannot be used to express the 
necessary information in an non-container specific manner.  When we get 
to point where a candidate @avalon is established which can be used 
across containers - then - and only then do we have something worth 
putting into @avalon namespace.  Prior to that time its process of 
establishing what is a workable minimal set. 

The workable minimal set requires that there is agreement to "recognize" 
a set of semantic constraint declarations that will ensure reliable 
execution and/or failure in a controlled manner independently of the 
container.  This means that different containers must recognize the 
semantics of other containers.  In many cases we can abstract that 
criteria so that the overhead per container is minimal but this does no 
substract from the issue that @avalon is about cross container tags and 
that means dealing with subject.  The common dinominator approach does 
not work because this isn;t a comon denominator question.

Cheers, Steve.



Stephen J. McConnell

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