IEEE/ICACT20220359 Slide.06        [Big Slide]       [YouTube] Oral Presentation
Cloud is a service that does not directly manage users but provides resources as quickly as necessary, and users rent resources from cloud providers. Cloud service models are largely divided into three categories: IaaS, which rents virtualized hardware resources, PaaS, which rents application execution and development environments, and SaaS, which subscribes to and uses SW provided by the cloud through the web.

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