Patterns and Anti-Patterns in Migrating Monolithic Integration Layers to Cloud-Native Spring Boot Microservices

Author(s)	Viplove Goswami
Country	United States
Abstract	The modernization of legacy integration layers is a critical hurdle for enterprises seeking digital agility. Updating old integration layers is the key for digital agility. Monolithic Enterprise Service Buses (ESBs) historically offered centralized control, but their tight coupling and scaling limits led to "bottlenecks of innovation". Migrating monolithic layers to cloud-native microservices? We've got a Spring Boot framework for that. Architectural patterns like Strangler Fig, Sidecar, and Saga informed our analysis of the transition, but we also noted "Anti-Patterns"—Distributed Monolith, Shared Database—that often tank projects. This research applies Domain driven Design and Twelve factor App principles to develop robust, scalable, and maintainable integration architecture.
Keywords	Microservices, SpringBoot, Cloud Native, Monolith Migration, Software Architecture, Integration Patterns, Domain Driven Design.
Field	Engineering
Published In	Volume 17, Issue 1, January-March 2026
Published On	2026-01-20
DOI	https://doi.org/10.71097/IJSAT.v17.i1.10336
Short DOI	https://doi.org/hbphzz

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International Journal on Science and Technology