Dynamic Reconfiguration Based on Goal-Scenario by Adaptation Strategy

Authors:
Su-Jin Baek;Jung-Soo Han;Kyung-Yong Chung
Affiliations:
Department of Computer Engineering, KyungHee University, Yongin-si, Korea 446-701;Division of Information and Communication, Baekseok University, Cheonan-city, Korea 330-704;School of Computer Information Engineering, Sangji University, Usan-dong, Wonju-si, Korea 220-702
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

The self-adaptation of software systems is a complex process that depends on several factors that can change during the system operational lifetime. But, Today's workflow management systems are only applicable in a secure and safe manner if the business process to be supported is well-structured and there is no need for ad hoc deviations at runtime. Hence, it is necessary to define mechanisms for providing a self-adaptive system the capability of reconfiguration during run-time the process that controls its adaptation. In this paper, we provide rapid dynamic reconfiguration using the workflow based on goal-scenario as the basis to set up strategies in accordance with the adaptive judgment. Also, we provide a sophisticated approach which fosters learning from past process changes by process variants through the order matrix. We present a formal foundation for the support of dynamic structural workflow changes of running. Our approach uses estimates based goal-scenario to determine which remaining parts of running workflows are affected by the external environment and is able to predictively perform suitable adaptation. This helps to ensure that necessary adaptation are performed in time with minimal user interaction which is especially valuable in change of external environment.