I'm with Jim. The primary driver behind (first) XML-RPC and (second)
SOAP-based web services was originally and continues to be the need to
make heterogeneous systems interoperate. It's about separation of
concerns at the middleware level (platform/language/infrastructure),
not at the presentation level.

Anne

On 8/1/05, James Fuller <jim.fuller@r...> wrote:
> Michael Kay wrote:
> 
> >I think web services were driven more by the need to deliver XML data to
> >applications that carry out business logic using the data, rather than
> >merely doing presentation. People who only want to do presentation have
> >largely found that HTTP is sufficient. But that's just one view...
> >
> >
> +1 to this view,
> 
> I would think that the primary use case *currently* for web services
> adoption is dealing with enterprise level integration where there are
> plenty of suppliers with plenty of heterogeneous systems and
> software...all set within a more closed 'extranet' type environment.
> They are not being driven at the 'web' layer where 80% of us live,
> though things such as REST are growing up from the grassroots and things
> such as WS* are growing down, hopefully they will meet up.
> 
> the next primary selection characteristics for web services (for the
> future) would be;
> 
> - perform software to software integration, underpinning true machine to
> machine collaboration (e.g. along with commodisation it brings)
> 
> - application composition enabled using real time service discovery and
> inspection
> 
> as for seperation of content and presentation...not sure if perhaps its
> confusing to use the term presentation where 'interface' would do, along
> with 'content' where 'data' would....slight differences in semantics
> though implying that a human is involved in one whereas it is not in the
> other.
> 
> cheers, Jim Fuller
> 
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