Are you talking about nested framework instead of subsystems ?
Subsystems are currently defined by RFC 152 and nested frameworks by RFC 138.

My understanding is that applications as they stand are meant to be
self-contained (or mostly) and isolated,
whereas subsystems can be considered more as building blocks with
sharing capabilities

The way applications or subsystems can be isolated could be done using
nested frameworks or manifest rewriting for example.

On Mon, Feb 15, 2010 at 22:58, David Jencks <[email protected]> wrote:
>
> On Feb 15, 2010, at 1:34 PM, Guillaume Nodet wrote:
>
>> Aries applications model is quite similar to the subsytem model being
>> discussed in the OSGi EEG.
>> I'd like to think that subsytems are more generic than applications,
>> or said another way, that applications
>> are specialization of subsystems.  Subsystems allow reference to other
>> subsystems, scoping, etc...
>>
>> I'd like to see how we can make both fits together.  I guess the first
>> question to solve it whether we want
>> to keep applications the way they are, without advanced features
>> provided by subsystems such as
>> sharing / scoping, dependencies on other subsytems, etc...
>>
>> Once we've answered that, we can think about the way we want to support
>> both.
>>
>> Thoughts ?
>>
>
> My point of view.... perhaps shared by no one else.... is that an
> application would be deployed or installed into a particular subsystem, but
> that several apps and plain bundles can all be installed into a single
> subsystem.  I'm thinking of an application as a way to deploy a set of
> bundles at once, where the "maven-like" dependencies aren't specified, and
> where the framework has a way to resolve the osgi dependencies into
> maven-like dependencies.
>
> I don't think this idea is expressed in the current code in any way.
>
> thanks
> david jencks
>
>> --
>> Cheers,
>> Guillaume Nodet
>> ------------------------
>> Blog: http://gnodet.blogspot.com/
>> ------------------------
>> Open Source SOA
>> http://fusesource.com
>
>



-- 
Cheers,
Guillaume Nodet
------------------------
Blog: http://gnodet.blogspot.com/
------------------------
Open Source SOA
http://fusesource.com

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