Difference between SaaS, PaaS, and IaaS

Difference between SaaS, PaaS, and IaaS

Cloud computing is the most trending in today’s IT world. It is the technology that gives innumerable benefits, which brings to the businesses by offering agility, scalability, economy, and high securityavailability.

Businesses that invest in the Cloud Computing technology come up with a wide variety of applications which are designed according to its infrastructure model. Let’s take a look at the main models of cloud computing.

The main model’s forms of cloud system are:

  • SaaS – Software as a Service
  • PaaS – Platform as a Service and
  • IaaS -Infrastructure as a service

However those acronyms are quite older terms in the market, still many people are not aware of what exactly it is. In some cases, many of them have come across this phrase, but don’t know the real meaning and its use in their routine, they do not have sufficient knowledge about this because of not contacting with conceptsof the Information Technology.

If you are the part of such group of a people who are still not aware or clear with the concepts of these service models, then don’t worry!Today we are going to clear the concept and the differences between SaaS, PaaS, and IaaS, and which one is right suited for your needs.

1. SaaS (Software as a Service)

Offered in the Cloud computing technology, where the organization invests in an on-demand usage of the software solutions in form of the services and are not related to purchasing the licenses.

In SaaS, it enables the user to use the software without any installation on a computer, allowing access for several people through a web or with an integrated mobile application.

Today’s great example of a SaaS is the Microsoft’s Skype. This software has different ways for the people to communicate, from sending the messages, calling group video conferences that also without paying for the license, although only it is charged according to its use. That is where you pay for using the service, and not the product.

With Software as a Service, the organizations can better plan their budgets, and are able to adjust resources according to the business needs, in the form of rent where you are able to cancel whenever you do not use this service.

Benefits of the SaaS:

  • No need to pay for the license
  • On-demand use
  • Internet access
  • Cost optimization
  • Can get cancelled whenever you do not need the service
  • Centralized management

2. (PaaS) Platform as a Service:

It is between SaaS and IaaS, a more flexible and robust platform. The Platform as a Service (PaaS) is often used when you require developing your cloud application without bothering about the servers, software installation, and infrastructure. That is, the PaaS, a platform to develop application instantly and efficiently.

PaaS can be made available in both the private and the public cloud. Additionally, it also offers an ability of process automation.

Features of the PaaS:

  • An environment designed for testing, application development, and implementation.
  • Security
  • Accessibility
  • Scalability
  • Process automation
  • Integration of Web services and database.

3. (IaaS)Infrastructure as a Service:

Infrastructure as a Service or IaaS is a form where business hires an IT infrastructure resources in the cloud computing. Generally, those features are offered by the vendors of data center. The company hires a hardware capacity corresponds for the storage capacity, memory, service levels and processing power that are planned according to the business requirement.

In this system, the business doesn’t have any sort of concern for the payment and installation of an infrastructure, as well as no investments in maintenance and updates of the same.

In IaaS, the business pays only for the used resources that are completely the responsibility of a supplier and are entirely flexible. For example, a small company having low traffic do not require a large amount of storage space, however, but if it spikes triple the traffic, in this case, they may request to increase the memory according to the requirement.

With unique features of IaaS, an organization is able to get time to take out all its activities, optimize the costs and increase its revenue.

Advantages of the IaaS:

  • Scalability
  • Productivity
  • Time gain
  • Variable cost
  • No facilities required
  • Flexibility to increase and decrease the resources
  • Infrastructure contracted as the service

#1.Are those Services Similar?

Although the services are related and with one of its principal features that being offered in the Cloud Computing, all these three forms are of course, divergent.

As stated earlier, IaaS is an Infrastructure, PaaS a platform and SaaS Software. However, in modalities, the organization that contracted with these services are able to enjoy similar benefits.

We can mention as an example to gain of scalability, time optimization to carry out all daily activities of your business, costs reduction with the investments, and the flexibility to change the services as per your requirements, with other various benefits. On all sides these benefits are similar. However, but each modality needs to be used according to the company demands.

#2.Which Business Should Use SaaS?

Software as a Service or SaaS is highly suggested for the small businesses that cannot acquire the licenses for a job that is not for the long term because of its restricted budget.

#3.Which Business Should Use PaaS?

Platform as a service, ideal for the businesses that requires a platform for developing their own applications or that are acquired by third parties in a flexible way. The PaaS is specifically geared for running applications, hence, it is more suggested for the developers.

#4.Which Business Should Use IaaS?

Infrastructure as a Service is one of the most recommended options for small or medium enterprises that can grow very fast and can’t hold up with the demand as its flexibility allows increasing or decreasing the storage capacity as per company’s requirement. Or you can count a virtual store that has a volatile demand at some specific times, or offers such as the end of the year or the Black Friday.

The Cloud Computing

Despite the size of your business or the business model, the Cloud Computing solutions will be always crucial for all your operational activities. This is because of storage services and the management tools that can be hired to improve areas of the company and that provide employees with the mobility to perform their functions, and able to access resources anywhere, anytime, by simply connecting to the internet.

With Cloud Server India, the business will achieve a competitive edge in the market, optimization of resources, time and money, potential results and increase in revenue.


Author Bio:

Article by – Shweta.S :I am a professional working in a web hosting business and I wanted to share my views on Cloud Computing Technology. If you are interested in knowing more about hosting then visit:Top VPS Hosting.

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