Re: [soa-rm-ra] Orchestration v. Choreography Discussion

[Rex Brooks <rexb@starbourne.com>]

Title: Re: [soa-rm-ra] Orchestration v. Choreography Discussion

That's exactly what I thought, too.

Cheers,

Rex

At 3:19 PM -0500 11/21/07, Ken Laskey wrote:

> I like the traffic light and roundabout
> example.  Works equally well with a 4-way stop sign in the
> US.
>
> Ken
>
> On Nov 21, 2007, at 2:56 PM, Rex Brooks
> wrote:
> > Hi Folks,
> >
> > Before I needed to drop off, I heard what
> > I could agree to as a working distinction between Choreography and
> > Orchestration. Choreography is what takes place in Business Process
> > Modeling of interactions (to some extent DesignTime work), and
> > Orchestration is what takes place when actual Actions are triggered by
> > some central conductor to produce Real World Effects (to some extent
> > RunTime work). The distinction between RunTime and DesignTime does not
> > hold since both can occur in realtime interactions that produce Real
> > World Effects.  This was just another analogy.
> >
> > I liked Frank's notion that in practice
> > Choreography is composed of a number of Orchestrations taking place
> > together. I would say taking place according to some agreed set of
> > rules or parameters.
> >
> > I looked on the web for better analogies
> > than symphony composer or ballet choreographer doing Choreography and
> > an orchestra conductor or ballet director doing Orchestration, and
> > found:
> >
> > "Orchestration is akin to traffic
> > lights where events are controlled centrally, whereas Choreography is
> > more like a roundabout, where each participant is following a
> > prearranged set of rules."
> >
> > http://blog.whatfettle.com/?p=247
> >
> > Cheers,
> > Rex
> > >
> > --
> > Rex Brooks
> > President, CEO
> > Starbourne Communications Design
> > GeoAddress: 1361-A Addison
> > Berkeley, CA 94702
> > Tel: 510-898-0670
> >
>
>
> ------------------------------------------------------------------------------------------
> Ken Laskey
> MITRE Corporation, M/S
> H305     phone:  703-983-7934
> 7515 Colshire
> Drive                        fax:       
> 703-983-1379
> McLean VA 22102-7508
>
> Attachment converted: Macintosh HD:smime 660.p7s (   
> /    ) (003443DE)

-- 

Rex Brooks
President, CEO
Starbourne Communications Design
GeoAddress: 1361-A Addison
Berkeley, CA 94702
Tel: 510-898-0670