Andersen, A., Eliassen, F., Blair, G.S., "A Reflective Component-Based Middleware with Quality of Service Management", Proceedings of PROMS'2000.  Home/Search   Document Not in Database   Summary   Related Articles   Check

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Andersen, A., Eliassen, F., Blair, G.S., "A Reflective Component-Based Middleware with Quality of Service Management", Proceedings of PROMS'2000.

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Andersen, A., Eliassen, F., Blair, G.S., "A Reflective Component-Based Middleware with Quality of Service Management", Proceedings of PROMS'2000 (Protocols for Multimedia Systems), Cracow, Poland, 2000.

....(MOP) supporting access to the underlying virtual machine. This MOP provides operations to inspect the internal details of a platform (introspection) By exposing the underlying implementation, it is also possible to insert behaviour to monitor the implementation, e.g. quality of service monitors [6]. The MOP also typically provides operations to alter the underlying middleware (adaptation) Examples include changing the implementation of the underlying transport protocol to operate over a wireless link or inserting a filter to reduce the bandwidth requirements of a media stream. More ....

Anders Andersen, Gordon S. Blair, and Frank Eliassen. A reflective componentbased middleware with quality of service management. In PROMS

....[15] for this task. This model is concerned with the allocation and management of resources associated with any activity in the system. 2.4 OOPP A prototype implementation of the suggested Open ORB middleware architecture has been implemented in Python 1 . The Open ORB Python Prototype (OOPP) [16] is influenced by the Open Distributed Processing Reference Model (RM ODP) 17, 18] In addition, it provides structural reflection through the encapsulation and composition meta models. 3 Programming structures 3.1 Interfaces and local bindings An interface of an object defines a subset of the ....

A. Andersen, G. S. Blair, and F. Eliassen, "A reflective component-based middleware with quality of service management," in PROMS 2000, Protocols for Multimedia Systems, (Cracow, Poland), Oct. 2000.

....4. Thus, the shared resources clause specifies both a list of the shared abstract resources and a list of the VTMs sharing these resources. Finally, an object template maps object operations on to tasks as shown in figure 5. An object interface may have both exported methods and imported methods [Andersen00]. The former concerns operations that are implemented by the interface s object whereas the latter refers to operations implemented by the object to be bound. A method exported by an object may be imported by another object, thus allowing the latter to access this method locally through its ....

....as the caller s. Otherwise, the VTM associated with the method s task is used to process the invocation call. 5.2 Integrating the Resource Framework into an ORB. We have integrated the particular instantiation of the framework, described in section 3. 1, into an implementation of OpenORB [Andersen00] as shown in figure 8. VTMs are top level processing resources that include both abstract resources (i.e. buffer and network resources) and abstract processing resources (i.e. user and kernel level threads) A distributed VTM encompasses one local VTM and two or more remote VTMs. Remote VTMs are ....

Andersen A., Gordon S. Blair, Frank Eliassen. "A Reflective Component-Based Middleware with Quality of Service Management". In Proceedings of the Conference on Protocols for Multimedia Systems (PROMS2000), Cracow, Poland, October, 2000.

....conforms with charact. platform of deployment Captures task model Captures resource model Associate task model with resource model RCDL specifications Server implementation code Predefined object classes Python Interpreter instantiated on top of an implementation of openORB [Andersen00]. In addition, we have implemented an audio application similar to that presented in section 4 to test the tool. Briefly, objects within this ORB may have several interfaces which can be bound to other matching interfaces whereby the exported methods correspond to the imported methods of the ....

....This tool converts automaton graphs into FC2 files and also supports the composition of TA. Therefore, the monitor and the strategy selector are defined separately and later on joined together in a single automaton. Afterwards, the automaton is translated into an FC2 file and an FC2 processor tool [Andersen00] translates this file into Python object classes. 6. Related Work There has been some interest in the development of ADLs for distributed systems such as Darwin [Magee95] and C2 [Medvidovic96] In addition, the Aster Project has developed an ADL for the systematic synthesis of middleware ....

Andersen A., Gordon S. Blair, Frank Eliassen. "A Reflective Component-Based Middleware with Quality of Service Management". Accepted for publication in Conference on Protocols for Multimedia Systems (PROMS2000), Cracow, Poland, October, 2000.

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Andersen A, Blair GS, Eliassen F. A reflective component-based middleware with quality of service management. In Protocols for Multimedia Systems (PROMS). Cracow, Poland, 2000; .

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Andersen, A., Blair, G. S., and Eliassen, F. "A reflective component-based middleware with quality of service management". In In PROMS (October 2000).

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