MODERNIZING LEGACY DATA CENTERS THROUGH VIRTUALIZATION AND SOFTWARE-DEFINED INFRASTRUCTURE
DOI:
https://doi.org/10.15662/2by66f36Keywords:
Legacy Data Centers, Virtualization, Software-Defined Infrastructure (SDI), Software-Defined Data Center (SDDC), Server Virtualization, Storage Virtualization, Network Virtualization, Cloud Computing, Data Center Modernization, Infrastructure Automation, Resource Optimization, Digital TransformationAbstract
The rapid evolution of digital transformation initiatives has placed unprecedented demands on traditional data center infrastructures. Legacy data centers, often characterized by rigid architectures, underutilized resources, and high operational costs, struggle to meet the scalability, agility, and efficiency requirements of modern enterprises. This paper explores the strategic modernization of legacy data centers through the adoption of virtualization technologies and software-defined infrastructure (SDI). Virtualization enables the abstraction of physical resources, allowing multiple virtual machines to run on a single hardware platform, thereby improving resource utilization and reducing capital expenditure. Complementing this, software-defined infrastructure introduces programmability and automation across compute, storage, and networking layers, enhancing flexibility and operational efficiency.
The study presents a comprehensive overview of key modernization approaches, including server virtualization, storage virtualization, network virtualization, and the integration of software-defined data center (SDDC) architectures. It further examines the benefits of transitioning to a virtualized and software-defined environment, such as improved scalability, enhanced disaster recovery capabilities, reduced downtime, and optimized energy consumption. Additionally, the paper addresses challenges associated with migration, including legacy system compatibility, security concerns, and organizational change management.
Through a generalized and vendor-neutral perspective, this research highlights best practices and architectural considerations for enterprises seeking to modernize their data centers. The findings underscore the critical role of virtualization and software- defined technologies in enabling agile, resilient, and cost-effective IT infrastructures aligned with contemporary business needs.
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