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Subject: RE: ebXML and UDDI


Hi Joel,

> A fundamental difference is that UDDI is a Registry only 
> where ebXML offers
> both Registry and Repository functionality.  

Yes, the ebXML registry acts as an index for things stored in the
repository.
However, the document (http://www.ebxml.org/specs/rrUDDI.pdf) in addition to

talking about storing information about reg/reps UDDI Business Registry,
also
says-
"
6.1
...
tModels for ebXML
Core Components, CPPs, Business Process Definitions, etc. could also be
supported by
UDDI operators as Canonical tModels.
"

This statement puzzled me. If the intent is to use UDDI to find a reg/rep;
then it
should be sufficient to have a tModel for reg/rep. Why do we need tModels
for things
that are stored in the repository- can't users first find the ebXML reg/rep
using
UDDI API, and then interact with it to get the CPPs etc.?

Or is the intent here that UDDI could *possibly* be used in place of a ebXML
registry
to index things stored in a ebXML repository?

- Vivek

> In my humble opinion, the primary reason for a bridging the two in a
> complementary Use Case model is to provide global visibility of ebXML
> Registries.  Registering ebXML registries within UDDI would 
> enable that
> "global" discovery.
> 
> Joel
> 
> -----Original Message-----
> From: CHOPRA,VIVEK (Non-HP-Cupertino,ex1)
> [mailto:vivek_chopra2@non.hp.com]
> Sent: Tuesday, August 14, 2001 10:47 AM
> To: 'regrep@lists.oasis-open.org'
> Subject: ebXML and UDDI
> 
> 
> I was reading the ebXML reg/rep white paper on using UDDI to find an 
> ebXML reg/rep (http://www.ebxml.org/specs/rrUDDI.pdf), and had a
> couple of questions:
> 
>  1. Have canonical UDDI tModels been defined  for reg/reps, 
> CPPs etc. as
>     suggested in this document?
> 
>  2. If there is a move to define tModels for things that are stored
>     in a ebXML repository (e.g. CPPs, schemas etc.) does it make
>     sense to use a UDDI registry in place of an ebXML registry? Or
>     are there some things that the UDDI registry can not do that
>     is required from an ebXML registry? If so, are are proposals
>     that would bring the UDDI and ebXML registries closer in intent
>     and functionality?
> 
> Any pointers would be appreciated! Thanks,
> 
> - Vivek
> 
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