Vendor Dependency to Enterprise Sovereignty: A Phased Migration Approach for Enterprise Applications
DOI:
https://doi.org/10.15680/IJCTECE.2025.0804021Keywords:
Vendor Lock-in, Enterprise Sovereignty, Cloud Migration, Multi-Cloud Architecture, Vendor Dependency Management, Enterprise Application Modernization, and Platform-Independent ArchitectureAbstract
Vendor lock-in remains a significant concern for organizations that rely on proprietary cloud platforms and provider-specific services. Such dependencies often result in limited application portability, increased operational costs, and reduced control over enterprise data and infrastructure. Existing techniques primarily focus on multi-cloud strategies and containerization approaches; however, these solutions typically address isolated layers but fail to offer a comprehensive, enterprise-wide migration pathway. To overcome these limitations, this paper proposes a phased migration framework that enables enterprise applications to transition systematically from vendor-locked architectures to enterprise-sovereign environments. The proposed approach integrates vendor dependency assessment, architectural decoupling, adoption of open standards, and hybrid multi-platform deployment to support gradual transformation with minimal operational disruption. Unlike existing methodologies, the framework introduces a structured dependency classification model and a staged migration plan that collectively enhance portability, governance, and technological flexibility. This work demonstrates how organizations can progressively reduce vendor dependence while maintaining system stability, ultimately achieving long-term digital sovereignty and a sustainable enterprise architecture
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