Mark wrote
 
> I don't think it's a matter of "is" here (as in "*is*
> providing one service or three"). Clearly it's possible to both model
> and implement a solution either way.
 
I am suggesting that there is a way of thinking about (and modelling) services that is reasonably objective, based on dependency analysis. If so, it is not true that you could model either way, at least at a logical level. Implementation, though, is a different matter.
 
> What's important is the
> resulting architecture of the implementation, and in this respect the
> "3 services" approach offers superior scalability, visibility,
> reusability, simplicity, to name just a few benefits.
Quite possibly.

Rgds
Ashley
 
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