Context-aware adaptation for group communication support applications with dynamic architecture

Details Context-aware adaptation for group communication support applications with dynamic architecture Context-aware adaptation for group communication support applications with dynamic architecture

2008-12-19

arxiv.org/abs/0812.3716v1

System and Information Sciences Notes 2, 1 (2007) 88

Computer Science

Software Engineering

Scientific paper

In this paper, we propose a refinement-based adaptation approach for the architecture of distributed group communication support applications. Unlike most of previous works, our approach reaches implementable, context-aware and dynamically adaptable architectures. To model the context, we manage simultaneously four parameters that influence Qos provided by the application. These parameters are: the available bandwidth, the exchanged data communication priority, the energy level and the available memory for processing. These parameters make it possible to refine the choice between the various architectural configurations when passing from a given abstraction level to the lower level which implements it. Our approach allows the importance degree associated with each parameter to be adapted dynamically. To implement adaptation, we switch between the various configurations of the same level, and we modify the state of the entities of a given configuration when necessary. We adopt the direct and mediated Producer- Consumer architectural styles and graphs for architecture modelling. In order to validate our approach we elaborate a simulation model.

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