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Causality Control in Dynamic Platforms

Authors:
German Vega
Jacky Estublier

Keywords: component; model; services; platform; causality; operational; OSGi

Abstract:
The increasing dynamicity of ubiquitous environments and the rapid penetration of many sensors in our day life are causes of concern for application designers and developers. Indeed, they have to implement reliable applications in a context in which the managed entities have a very low level of abstraction; they are autonomous, heterogeneous, and change in unpredictable ways. To simplify developers work, there is a clear need to define a higher level of abstraction in which these entities can be represented homogeneously and managed systematically, irrespective of the many technical details. To be used safely, this representation must be causally related to the represented entities. Providing a high level causal representation is very challenging, because its implementation depends on the nature of the managed entities, and because in ubiquitous systems the representation and the system are evolving simultaneously and independently, sometimes in incompatible ways. The paper describes a systematic and extensible way to define and implement causality, and presents the experience with the Apam system in the domain of service platforms.

Pages: 512 to 517

Copyright: Copyright (c) IARIA, 2014

Publication date: October 12, 2014

Published in: conference

ISSN: 2308-4235

ISBN: 978-1-61208-367-4

Location: Nice, France

Dates: from October 12, 2014 to October 16, 2014