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  • To: "Bullard, Claude L \(Len\)" <len.bullard@i...>,"W. E. Perry" <wperry@f...>,"XML DEV" <xml-dev@l...>
  • Subject: RE: Will The Real SOA Please Sit Down?
  • From: "Chiusano Joseph" <chiusano_joseph@b...>
  • Date: Tue, 10 Jan 2006 13:52:23 -0500
  • Thread-index: AcYWFp1le+l/f63TQB+dm0lb0C+cUQAACv7Q
  • Thread-topic: Will The Real SOA Please Sit Down?

> When accepting business 
> processes as sharable, that is a very dangerous assumption, 
> so sharing services is inherently less dangerous than sharing 
> processes.  On the other hand, in a system built up over 
> outsourced components, services and processes, the legal 
> principles are such that he who offers the process assumes 
> the duty and then, the opaqueness of the service makes it 
> difficult to manage the risk.  It will be interesting to see 
> the outcome of negligence torts based on *respondeat 
> superior* where the system is SOA-conforming.

That's where service insurance comes in:
http://lists.xml.org/archives/xml-dev/200410/msg00010.html

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
 

> -----Original Message-----
> From: Bullard, Claude L (Len) [mailto:len.bullard@i...] 
> Sent: Tuesday, January 10, 2006 1:38 PM
> To: 'W. E. Perry'; XML DEV
> Subject: RE:  Will The Real SOA Please Sit Down?
> 
> True.  That would be orchestration or choreography, yet 
> another set of overlapping terms meant to extend concepts 
> that are ambiguous to begin with.
> 
> Turtles all, but hey, this is the web.
> 
> However, you are closer to definition three and that is the 
> one that stands apart because it does concern itself with 
> sharable business processes rather than the implementation in 
> the code.  It is fun to watch terms start in business or 
> sales work their way into the code vocabularies and vice 
> versa.  I think that is part of how product evolution works 
> (chaos or uncertainty as an engine).  It also provides 
> moments of great comedy.  I was in training for an internal 
> system the other day where one of the selections in a choice 
> list was "Not in The Vision".  It was considered more polite 
> than "No" or "Declined" or the former "Ain't Gonna Happen".  
> I await with delightful anticipation the reactions of 
> customers who see that.
> 
> The biggest flaw in the thinking of analysts is the 
> assumption that what they see or hear as policy has a basis 
> in rationality in all cases.  When accepting business 
> processes as sharable, that is a very dangerous assumption, 
> so sharing services is inherently less dangerous than sharing 
> processes.  On the other hand, in a system built up over 
> outsourced components, services and processes, the legal 
> principles are such that he who offers the process assumes 
> the duty and then, the opaqueness of the service makes it 
> difficult to manage the risk.  It will be interesting to see 
> the outcome of negligence torts based on *respondeat 
> superior* where the system is SOA-conforming.
> 
> Robin says:  "I was more worried about "discrete services" 
> invoked from a "provider" in order to perform a "certain task"."
> 
> That is actually the problem in a nutshell.
> 
> len
> 
> -----Original Message-----
> From: W. E. Perry [mailto:wperry@f...]
> 
> ... SOA is most emphatically not about the design of the processes
> themselves:
> 
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