Figure 1
The SaaS is either built directly onto the cloud infrastructure or on
top of the facilities of IaaS and PaaS. Payment is based on pay-per-use
grounds for SaaS apps. In IaaS, clients are supplied with computing
resources, storage and network equipment as an internet-based service.
In PaaS, consumers create, deploy and oversee the service providers ’
instruments, frameworks, platforms and other company products.