RE: [soa-rm] David Linthicum Says: "ESB versus Fabric.Stop It!"

["Chiusano Joseph" <chiusano_joseph@bah.com>]

> -----Original Message-----
> From: Duane Nickull [mailto:dnickull@adobe.com] 
> Sent: Wednesday, May 25, 2005 12:33 PM
> Cc: soa-rm@lists.oasis-open.org
> Subject: Re: [soa-rm] David Linthicum Says: "ESB versus 
> Fabric.Stop It!"
> 
> 
> 
> Chiusano Joseph wrote:
> 
> >
> >Which brings us back to what I believe is the single most important 
> >question for us to answer: Does one service constitute a 
> SOA? Or are 2 
> >or more services required?
> >  
> >
> An SOA infrastructure (constrained by a specific SOA) will 
> *probably* have more than one service.  A Reference Model for 
> SOA *will* only have one service expressed, in alignment with 
> other reference models.  

Seeking to be educated - please provide examples of "other reference
models".

Thanks,
Joe

Joseph Chiusano
Booz Allen Hamilton
Visit us online@ http://www.boozallen.com
 
> We can still demonstrate in appendix 
> B the realtionship between these two things.  Doing so would 
> be prudent IMO.
> 
> >If 2 or more services are required, then it seems to me that 
> in order 
> >to call something a *SOA* reference model, the notion of multiple 
> >services must be incorporated - as that is the minimal amount of 
> >information necessary to *effectively* represent/model the "targeted 
> >entity" (which is SOA) for the intended audience.
> >
> >If one service constitutes a SOA, this implies that a SOA 
> may have more 
> >than one service. It then seems to me that one has a choice for their
> >RM: include only a single service in the model, or include multiple 
> >services. The question then becomes which approach enables the most 
> >effective representation for the intended audience.
> >
> >So as you see, I believe everything flows from this single most 
> >important question.
> >  
> >
> Which has been answered many times in the same manner I 
> believe.  RM has one, RA or other specific archtiectures CAN 
> have more than one, but do not have to to be conformant with the RM.
> 
> Duane
>