Cloud Computing: Benefits and Limits on SPI model

Abstract

Cloud computing is a term to deliver software, storage and processing. It increases system’s capability without changing the existing infrastructure, educating new people or taking license for the software. It improves the existing software capabilities and extends the Information Technology resources. In recent years, cloud computing has grown up rapidly and boosted the business concept in IT industry. This paper presents advantages and disadvantage of cloud computing from the view point of SPI model. SPI model is defined as: A term used to represent the most common cloud computing service models, Software as a Service, Platform as a Service and Infrastructure as a Service.