Re: [service-orientated-architecture] Re: Orchestration, Choreography , and Composition

[Alexis Richardson]

Absolutely - then the question becomes: what is the compositionality in both cases.

Intuitively, you cannot always weave together two 'hows'.  Does choreography help by delimiting each 'how' with a composable 'what'?   (like a type system for behaviour). 

Steve, Frank, any comments?

On 7/21/06, Phil Ayres <[EMAIL PROTECTED] > wrote:

Alexis,

I think I need to refine this a little, as my brain did a loop trying
to get so abstract!

>
> - the choreography is the 'what'
> - the orchestration is the 'how'
>

Maybe I'll add a few words for my simple brain...

- choreography is the 'what to do - decide yourself how and when to do it'
- orchestration is the 'what to do - I'll tell you what and when to do it'

Cheers
Phil
http://improving-nao.blogspot.com/

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