> Hi,
>
> thanks for the answers.
>
>>> add in JXTemplates and XSLT
> Thanks for the hint. I'll add them
>
> So what I understood is, that Flow is present in both layers: Presentation
> and Control Layer?

I'm not sure how you'd consider Flow being presentation.  It seems pretty
clearly in the control layer... it's even named "Control Flow" in the
docs.

> Is the Sitemap also both (since it has a navigating-function in the
> presentation layer)? My answer would be yes.

I guess it depends on how you define the presentation layer.  In my
opinion the sitemap itself doesn't create the presentation/view, it
defines/*controls* which components (generators, transformers,
serializers, readers) are used to build the view.

It's difficult to define a system like Cocoon in these terms, as each
layer often has its own n-tiers within.  For instance, CForms would
probably go in the Presentation bucket in your list, but within CForms
there are sub-tiers (form model, bindings, templates, flow).

> To push my other question:
> Ugo wrote in his presentation at the ApacheCon about a service layer.
> Which layer (from the ones above) does this match?

I'm not familiar with this presentation; can you post a link or quote the
relevant portions here?


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