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Research Paper | Information Technology | Volume 15 Issue 4, April 2026 | Pages: 1367 - 1374 | United States
Theoretical Foundations of Integrating Microservices Architecture into Monolithic Enterprise Systems
Abstract: The article examines the integration of microservices architecture into monolithic enterprise systems as a problem of enterprise architectural evolution. The purpose of the article is to develop a theoretical foundation for integrating microservices into a legacy monolith. The relevance of the topic is determined by the growth of the structural complexity of large systems, the intensification of intermodule dependencies, the rising cost of change, and the misalignment between software structure, data, and domain boundaries. The scientific novelty lies in the synthesis of the principles of modularity, loose coupling, bounded context, and evolutionary architecture into a unified model of controlled transformation, as well as in the proposed roadmap for integrating microservices into a monolithic system. The conclusion states that the outcome of integration depends on the precision of domain boundaries, data autonomy, contract-based interaction, and the alignment of architecture with team structure. It is shown that the greatest value belongs to a phased hybrid trajectory: architectural audit, identification of service candidates, construction of an integration layer, and pilot extraction of business services. The article will be useful to researchers, software architects, technical leaders, and enterprise digital transformation teams.
Keywords: microservices architecture, monolithic systems, enterprise information systems, architectural evolution
How to Cite?: Abdul Nadeem Mohammed, "Theoretical Foundations of Integrating Microservices Architecture into Monolithic Enterprise Systems", Volume 15 Issue 4, April 2026, International Journal of Science and Research (IJSR), Pages: 1367-1374, https://www.ijsr.net/getabstract.php?paperid=SR26421181425, DOI: https://dx.dx.doi.org/10.21275/SR26421181425