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Subject: RE: [soa-rm] RM at Open Group...


Agreeing and adding:
 
Regarding the following from the original e-mail below:
 
<Quote>
it looks like it actually can define SOA at a business level (Business Services) but the document has some references/qualifications in definitions that tie it to technology, application, etc.
</Quote>
 
I don't see the above as a "but" (negative connotation), but rather as an "and", which I believe captures the essence of SOA: IT capabilities (technologies, applications, standards, etc.) that support business and mission needs. So if I wrote the above, I would use "and", and follow it with "which is a great thing!".
 
Regarding the following:
 
<Quote>
This seems like a missed opportunity to define SOA as about business services.”
</Quote>
 
Perhaps missed (intentionally) in this document, as we are describing an abstract model. The opportunity for this should come in the reference architecture(s) that we define.
 
I still also believe that there can be multiple levels of SOA (I believe I may have mentioned this several months ago on a thread here) - from top down:
 
- Super-Enterprise 
- Enterprise 
- Business 
- Technical 
 
I'll explain these further:
 
- Super-Enterprise: Meaning outside-the-enterprise - think multiple organizations interacting
 
- Enterprise: Enterprise-level services - e.g. ERP, HR
 
- Business: Services that are more business-facing than technical services, but not at the enterprise level - e.g. automation of a process for claims processing within an insurance company.
 
  * May also think of these in terms of the most *immediate* value being realized at a business level (e.g. automation of the claims process therefore faster claims processing, etc.) than at a technical level.
 
- Technical: Services whose most *immediate* value is realized at a technical level, which may further translate (through one or more additional degrees of separation) into value realized at a business level.
 
  * Example: Consolidation of error processing for forms entry in an organization from multiple software modules into a single service that is invoked by all forms. The most immediate value is more technical than business in nature - e.g. consistent error messages, maintenance of error messages in one place, etc.
 
  * The second case (maintenance of error messages in one place) does provide business value over time, but that value will not be realized as quickly or as impactfully (a word?) as with Business services.
 
Another way to look at this stack is in term of maturity - however, I do not believe that Technical services are "less mature" than Business services - they are just a different type of service.
 
Joe
 
Joseph Chiusano
Associate
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
 


From: Metz Rebekah [mailto:metz_rebekah@bah.com]
Sent: Thursday, January 26, 2006 8:36 AM
To: Jones, Steve G; soa-rm@lists.oasis-open.org
Subject: RE: [soa-rm] RM at Open Group...

It’s interesting to hear this comment this morning.  Yesterday afternoon, one of my colleagues mentioned some discussions he had at a recent Gartner Group event.  The feedback he provided was that the SOA-RM did a good job at describe business services, but didn’t acknowledge that things at a purely technical level (e.g. a storage service) can also be SOA without tying directly back to the business.

 

My reaction to that comment is to say that even a ‘purely technical’ service ties back to the capabilities.  Perhaps they might tie in through the IT supply chain rather than a 1:1 correspondence to a business need.  Nevertheless, I would argue why someone would offer a service if they don’t anticipate that they will provide that service to someone else.    That mission objective may be a small part of the over mission objective for an enterprise – but it certainly should be traceable.

 

That said, if we’re receiving comments from both perspective – we’ve probably struck decent middle ground.  Perhaps a primer on the RM might express these perspectives and how the RM supports both of them?

 

Rebekah

 

Rebekah Metz

Associate

Booz Allen Hamilton

Voice:  (703) 377-1471

Fax:     (703) 902-3457

 


From: Jones, Steve G [mailto:steve.g.jones@capgemini.com]
Sent: Thursday, January 26, 2006 4:30 AM
To: soa-rm@lists.oasis-open.org
Subject: [soa-rm] RM at Open Group...

 

 

Capgemini are also fairly heavily involved in Open Group (running the BP group for instance) and at the SOA event the RM has come up in discussion…. Some feedback from the folks there

 

“We are looking at the OASIS SOA reference model in the SOA forum in Open Group - and having had a quick look at the document (scan at best, not complete) it looks like it actually can define SOA at a business level (Business Services) but the document has some references/qualifications in definitions that tie it to technology, application, etc.

 

This seems like a missed opportunity to define SOA as about business services.”

 

I actually think the document applies equally well in both technical and business domains but it might be something to tighten in the wording to help ensure that message comes across.

 

Steve

 

 

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