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.
