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Taming software adaptability with architecture-centric framework

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4 Author(s)
Bo Ding ; School of Computer, National University of Defense Technology, Changsha, China ; Huaimin Wang ; Dianxi Shi ; Jiannong Cao

In many cases, we would like to enhance the predefined adaptability of a running application, for example, to enable it to cope with a strange environment. To make such kind of runtime modifications is a challenging task. In existing engineering practices, the online policy upgrade approach just focuses on the modification of adaptation decision logic and lacks system-level means to assess the validity of an upgrade. This paper proposes a framework for adaptive software that supports the online reconfiguration of each concern in the ¿sensing-decision-execution¿ adaptation loop. To achieve this goal, our framework supports an architecture style which encapsulates adaptation concerns as software architecture elements. And then, it maintains a runtime architecture model to enable the dynamic reconfiguration of those elements as well as help to ensure the validity of a change. A third party can selectively add, remove or replace part of this model to enhance the running application's adaptability. We validated this framework by two cases extracted from real life.

Published in:

Pervasive Computing and Communications (PerCom), 2010 IEEE International Conference on

Date of Conference:

March 29 2010-April 2 2010