Re: [NGO] Diff-Serv datamodel for discussion startpoint

[Ladislav Lhotka <lhotka at cesnet.cz>]

Hi Simon,

Simon Leinen píše v Po 19. 03. 2007 v 16:49 +0100:
> You claim that "When parameters of a functional element linked by
> multiple elements are changed, operators would meet trouble to change
> all elements in the configuration corresponding to the
> parameter-changed element respectively."  With XML, I think this is a
> particularily weak argument, because there are good (even
> standardized) mechanisms for manipulating multiple parts of an XML
> document.

But you don't want to have the same information being represented at
multiple places, so I think in most but trivial cases some kind of
cross-referencing is needed. However, one should do it only where
necessary since links introduce other potential inconsistencies such as
missing targets. To this end, it is much easier to allow
cross-references to real objects such as interfaces as opposed to
"made-up" entities that exist only within a particular configuration.

Lada

-- 
Ladislav Lhotka, CESNET
PGP Key ID: E74E8C0C


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