Structural and Functional Perspectives on Cloud Service Models: A Review

Author(s)	Prof. Janu Mahajan, Jaskarandeep Kaur
Country	India
Abstract	Cloud computing has revolutionized information technology by providing flexible, scalable, and cost-efficient services to both individuals and organizations. The three core cloud service models—Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS)—present distinct abstraction layers and management options that cater to varied IT needs, from basic infrastructure to complete software solutions. This research review systematically explores these service models, their functional characteristics, and their relationships to deployment strategies, alongside a comparative analysis of their strengths and weaknesses. Furthermore, the review highlights the latest trends such as multi-cloud, edge computing, artificial intelligence integration, and explains emerging industry standards and future directions, assisting organizations in making informed cloud adoption decisions
Keywords	Cloud computing, SaaS, PaaS, IaaS, service models, virtualization, multi-cloud, edge computing, cost efficiency, scalability, deployment, architecture, AI-driven cloud, security.
Field	Computer
Published In	Volume 7, Issue 6, November-December 2025
Published On	2025-12-11
DOI	https://doi.org/10.36948/ijfmr.2025.v07i06.62042

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