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How IaaS, SaaS, and PaaS are Different From Each Other

When you have made a decision to consider cloud services for your infrastructure deployment and application, it is important for you to be aware about major differences between IaaS, SaaS, and PaaS.

Before you get to know all these, get to know about cloud. The concept of cloud is broad and includes almost all possible sort of online based services. But when it comes to cloud procurement, there are basically three models of cloud service: IaaS, PaaS and SaaS.

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Each of them has its own intricacies and hybrid cloud model. In this blog, you will know about major differences in between them.

Software as a Service (SaaS)

In some ways, SaaS is similar to old thin client model of software provision where the clients usually browse web, provide the point of access to software running on servers. This is the most familiar form of cloud service that handles the task of managing software and deployment to third party services. CRM is the most common SaaS application, which is beneficial for the business.

Use of this application reduces cost of software ownership by eliminating necessity of technical staff to manage, install and upgrade software.

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Platform as a Service (PaaS)

This works at a lower level than SaaS. This provides a platform on which you can develop software and deploy it. The providers abstract work of dealing with servers and provide an environment to the client in which it is easy to take care of operating system and server software along with underlying server hardware and network infrastructure. In most of the cloud services, this is built on top of virtualization technology.

Infrastructure as a Service (IaaS)

This is a combination of highly automated and scalable computer resources, which are complemented by cloud storage and network capability. The providers of IaaS proffer cloud services and their resources through dashboard and API. IaaS client can access directly to servers and storage. The users can build a virtual data center in the cloud and can also access the same technologies. Among all three, this is the most flexible cloud-computing model that allows automated deployment of servers, processing power, storage and network.

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