• Vimal A.Vaiwala

The term cloud refers to a network or the internet. In other words, we can say that cloud is something that is present in distance places. Cloud computing is a computing model of providing IT resources, such as application, infrastructure, and platform in the form of service by using Internet. Cloud Computing provides infrastructure for computing and processing of all types of data resources and adopted to deal with the large amounts of data. In this research paper we explain the security issues which is attached to each service models Infrastructure as a service (IaaS), Platform as a Service (PaaS), Software as a Service (SaaS), Network as a Service(NaaS) and Database as a Service (DbaaS).In this research paper, we provide an overall perception on cloud computing and draw attention to its services.

Cloud computing, IaaS, PaaS, SaaS, NaaS, DbaaS

"Evaluating the Efficiency: A Comparative Framework for Cloud Service Models", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 1, page no.155-160, January-2018, Available :http://www.jetir.org/papers/JETIR1801341.pdf

"Evaluating the Efficiency: A Comparative Framework for Cloud Service Models", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 1, page no. pp155-160, January-2018, Available at : http://www.jetir.org/papers/JETIR1801341.pdf