Non-disruptive change management modeling of SOA based systems

Swati Goel () and Ratneshwer ()
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Swati Goel: Jawaharlal Nehru University
Ratneshwer: Jawaharlal Nehru University

International Journal of System Assurance Engineering and Management, 2023, vol. 14, issue 1, No 32, 455-471

Abstract: Abstract Service-Oriented Architecture (SOA) is used to develop a software system by using the web-services in a loose coupling manner. In changing circumstances one may have to add newer services, remove out-of-dated services and may upgrade existing services. These changes may cause disruption and may affect the functioning of other services as these services are connected to each other in order to provide/receive some functionalities. It may result in disrupting the availability of web-services in the system, in temporary or permanent manner, which may further cause the system failure. It is a very cumbersome task to identify disruptive changes in a system. As they cannot be easily experienced, a fault tolerance approach must be enabled to make the system functional. In this paper, a non-disruptive change management system is proposed by applying the fault-tolerance policies during the change management process. The proposed fault-tolerance policy includes the change specification procedure for change identification and deciding the weight of change according to the type of change severity and impact. Based on the change type and change impact, a non-disruptive change management model is proposed which suggests what type of fault tolerance mechanism should be applied in specific scenario. An Intelligent Traffic Management System is used for the demonstration of the work. Petri Nets Method is used for the formal representation of the system and reconfigurable petri nets are used for the demonstration of various changes in the system. In order to automate the process, an application is developed that identify the changes and their possible impact. The present approach may help in non-disruptive change management of SOA-based systems.

Keywords: Non-disruptive change management; Fault tolerance; Service based systems; Reconfigurable petrinets (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s13198-023-01875-7

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