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RE: Web Services/SOA (was RE: XML 2004 weblog items?

• To: 'Karl Waclawek' <karl@w...>, xml-dev@l...
• Subject: RE: Web Services/SOA (was RE: XML 2004 weblog items?)
• From: "Bullard, Claude L (Len)" <len.bullard@i...>
• Date: Tue, 30 Nov 2004 13:32:37 -0600

Yes.  If we accept Don Box's definition, I find myself 
puzzled about service autonomy over shared resources if 
any.  If a service can't share a resource, it's a method 
with private data (even if the data is in a database and 
not an object).  So all I'm left with is the granularity 
difference and is that really a difference?

It seems to be a terminology designed to sell the 
implementation framework and hide the details: that is, 
like ecosystem diatribes, it's metaphorical.

len


From: Karl Waclawek [mailto:karl@w...]

> I can see that as philosophy, but practically, it 
> doesn't make a difference other than performance. 
> In work we are doing, we are using web services 
> for things such as report methods.   The fact of 
> locale makes no difference.  It's just a report. 
> Where locale *might* be factored in is roles and 
> permissions.

And a fundamentally different level of communication
failure potential.

I guess, to some, these differences are not only
practical but also fundamental. I have seen a few
such disussions back in the CORBA days.
 
> IMHO, the service model fell out of the enterprise 
> modeling domain.  It is how businessHeads see their 
> businesses, as contracts for products, goods, and services.

Makes sense.

Karl

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