Research Article

Event-Driven Architectures for Decoupling Modern Front-ends from Legacy Processing Systems: A Research Study

by  Balamurugan Krishnaswamy Gnanasekaran
journal cover
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 187 - Issue 50
Published: October 2025
Authors: Balamurugan Krishnaswamy Gnanasekaran
10.5120/ijca2025925857
PDF

Balamurugan Krishnaswamy Gnanasekaran . Event-Driven Architectures for Decoupling Modern Front-ends from Legacy Processing Systems: A Research Study. International Journal of Computer Applications. 187, 50 (October 2025), 20-28. DOI=10.5120/ijca2025925857

                        @article{ 10.5120/ijca2025925857,
                        author  = { Balamurugan Krishnaswamy Gnanasekaran },
                        title   = { Event-Driven Architectures for Decoupling Modern Front-ends from Legacy Processing Systems: A Research Study },
                        journal = { International Journal of Computer Applications },
                        year    = { 2025 },
                        volume  = { 187 },
                        number  = { 50 },
                        pages   = { 20-28 },
                        doi     = { 10.5120/ijca2025925857 },
                        publisher = { Foundation of Computer Science (FCS), NY, USA }
                        }
                        %0 Journal Article
                        %D 2025
                        %A Balamurugan Krishnaswamy Gnanasekaran
                        %T Event-Driven Architectures for Decoupling Modern Front-ends from Legacy Processing Systems: A Research Study%T 
                        %J International Journal of Computer Applications
                        %V 187
                        %N 50
                        %P 20-28
                        %R 10.5120/ijca2025925857
                        %I Foundation of Computer Science (FCS), NY, USA
Abstract

This research investigates the application of event-driven architectural patterns to bridge the gap between modern front-end interfaces and legacy back-end processing systems. Through a mixed-methods approach combining case studies, experimental implementations, and performance analysis, this research demonstrate that event-driven architectures significantly reduce coupling between system components while improving scalability, maintainability, and user experience. The findings suggest that this approach offers organizations a pragmatic pathway to modernization without requiring complete system rewrites, with observed performance improvements of 35-47% in system responsiveness and 28% reduction in development cycles for new features.

References
  • Stopford (2021). Event-Driven Microservices: Building Event Streaming Applications.
  • Nadareishvili et al. (2023) - Microservice Architecture: Aligning Principles, Practices, and Culture
  • Michelson, B. M. (2006). Event-Driven Architecture Overview: Event-Driven SOA Is Just Part of the EDA Story. Patricia Seybold Group.
  • Burns & Oppenheimer (2023) - Production Kubernetes: Building Successful Application Platforms
  • Richardson, C. (2018). Microservices Patterns: With Examples in Java. Manning Publications.
  • Vernon, V. (2016). Domain-Driven Design Distilled. Addison-Wesley Professional.
  • Young, G. (2017). CQRS Documents. CQRS.nu.
Index Terms
Computer Science
Information Sciences
No index terms available.
Keywords

Event-Driven architecture API Gateway Patterns System Decoupling CQRS Hybrid architecture Enterprise integration patterns Experimental Implementation

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