Abstract
Microservices have been introduced to industry as a novel architectural design for software development in cloud-based applications. This development has increased interest in finding new methodologies to migrate existing enterprise systems into microservices to achieve desirable performance characteristics such as high scalability, high availability, high cohesion and low coupling. A key challenge in this context is discovering microserviceable components with promising characteristics from a complex monolithic code base while predicting their resulting characteristics. This paper presents a technique to support such re-engineering of an enterprise system based on the fundamental mechanisms for structuring its architecture, i.e., business objects managed by software functions and their interactions. The technique relies on queuing theory and business object relationship analysis. A prototype for microservice discovery and characteristic analysis was developed using the NSGA II software clustering and optimization technique and has been validated against two open-source enterprise systems, SugarCRM and ChurchCRM. Our experiments demonstrate that the proposed approach can recommend microservice design which improves scalability, availability and execution efficiency of the system while achieving high cohesion and low coupling in software modules.
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De Alwis, A.A.C., Barros, A., Fidge, C., Polyvyanyy, A. (2019). Availability and Scalability Optimized Microservice Discovery from Enterprise Systems. In: Panetto, H., Debruyne, C., Hepp, M., Lewis, D., Ardagna, C., Meersman, R. (eds) On the Move to Meaningful Internet Systems: OTM 2019 Conferences. OTM 2019. Lecture Notes in Computer Science(), vol 11877. Springer, Cham. https://doi.org/10.1007/978-3-030-33246-4_31
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