Background and Aims: The modernization of legacy
computational systems in computer science is an area that has been changing for
a long time. The available systems, often decades old, face challenges such as
a lack of compatibility with newer technologies, scalability issues, security
vulnerabilities, and high maintenance costs. As technology evolves rapidly,
organizations find themselves at a crossroads to modernize these legacy systems
or continue to pour resources into increasingly obsolete technology. This
research offers an in-depth exploration of the hurdles organizations face
during legacy application modernization. The investigation delves into the
primary motivations behind modernization, delineates the associated challenges,
and proposes viable strategies and best practices to mitigate these issues.
Study Design: This is a Review Article that synthesizes and
critically assesses a broad array of sources relevant to legacy application
modernization. It amalgamates insights from various studies, offering a
comprehensive overview and analysis of existing literature to derive meaningful
conclusions and recommendations. Through this approach, the article provides a
holistic understanding of the challenges and strategies associated with
modernizing legacy systems.
Methodology: This global study was conducted over eight
years, from January 2016 to August 2023. This research uses a literature review
to collect data. In the literature review process, a comprehensive array of
data collection methods is strategically employed to ensure the acquisition of
a diverse and pertinent body of knowledge concerning the challenges associated
with modernizing legacy applications and the effective strategies and best
practices to address them. Systematic reviews and meta-analyses give structured
synthesis, while manual searches collect real-world case studies. Thematic
Analysis sorts findings, whereas Data Management arranges data, and the
Critical Appraisal Skills programme evaluates the credibility of sources. This
approach is an important starting point for modernizing legacy systems and
developing effective policies and guidelines.
Results: The research identifies business necessities and
technological advancements as the predominant catalysts for modernization.
Legacy application modernization is not just a technological necessity; it's a
strategic endeavor that paves the way for a future-ready, sustainable, and
efficient organization. It further elucidates the obstacles encountered by
organizations during this transition, such as the intricacies of data migration,
the complexity inherent in legacy systems, and issues related to user
acceptance and integration. The investigation also delves into potential
strategies and best practices to navigate these challenges, emphasizing the
significance of selecting the right modernization approach.
Conclusion: The existing research underscores that although
the path to modernizing legacy applications has obstacles, they can be
navigated successfully through astute planning, strategic decision-making, and
adept execution. In doing so, organizations have the potential to metamorphose
their dated systems into valuable tools that resonate with current business
demands and the latest technological advancements.
Author(s) Details:
Sivakumar Ponnusamy,
Cognizant Technology Solutions, Richmond, VA, USA.
Dinesh Eswararaj,
Compunnel
Inc, Irvine, California, USA.
Please see the link here: https://stm.bookpi.org/RUMCS-V5/article/view/14328
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