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   RE: [xml-dev] Will The Real SOA Please Sit Down?

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> -----Original Message-----
> From: Bullard, Claude L (Len) [mailto:len.bullard@intergraph.com] 
> Sent: Thursday, January 19, 2006 2:12 PM
> To: 'Paul Downey'; Michael Champion
> Cc: Chiusano Joseph; xml-dev@lists.xml.org
> Subject: RE: [xml-dev] Will The Real SOA Please Sit Down?
> http://www.dilbert.com/comics/dilbert/archive/images/dilbert20
> 05121017631.gi
> f
> We have that one posted on a bulletin board outside the hall. 
>   It might be 
> funny if it weren't so true.
> The problem of SOA is that abstract concepts not grounded in 
> pricelist technologies lead to an infinite set of points on a 
> line where each point is
> a cost.  The more you measure, the higher the cost.
> The SOA RM obligates the business/sales organization to 
> create a business model of each business type as a set of 
> composite services that are then implemented or mapped to 
> physical web services (or Howie carrying buckets of snail 
> mail from room to room).
> As useful as the RM is at defining the terminology, it 
> doesn't help explain to a customer, say, the distinctions 
> between data warehousing and peer to peer services, or in 
> other words, real Business Intelligence systems vs. 
> massively indexed search services.

Agreed - a reference architecture may help this (we have just begun a
reference architecture effort within the OASIS SOA-RM TC). The Reference
Model is too abstract (as reference models are, by nature) to be
definitively tied to scenarios that are that concrete.

> One wishes it were like a Mexican restaurant where there are 
> fifty items on the menu made of six fast to cook cheap 
> ingredients.  Unfortunately, it is exactly the reverse so all 
> of the initial risks are assumed by the vendor using the SOA 
> RM as a basis for an RFP.

I'm not envisioning vendors using the OASIS SOA-RM as the basis for an
RFP (too abstract), but am open to possibilities.


Joseph Chiusano
Booz Allen Hamilton
700 13th St. NW, Suite 1100
Washington, DC 20005
O: 202-508-6514  
C: 202-251-0731
Visit us online@ http://www.boozallen.com
> len
> From: Paul Downey [mailto:paul.downey@whatfettle.com]
> On 10 Jan 2006, at 17:18, Michael Champion wrote:
> > So, "web services" are a set of architecturally-neutral 
> technologies, 
> > whereas "service architectures" are a technologically 
> neutral design 
> > principles.
> As much as I like this distinction, both terms are 
> essentially "meaning neutral".


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