IaaS, PaaS, and SaaS: The Modern Business Vernacular!

Apr 20,2019 by Prachi Priya

Did you know Cloud could be used in three different ways to enhance your business process services? Well, yes, it’s true. Cloud is a trendy topic nowadays as it looks after much of the online terrain. SaaS, PaaS, and IaaS are three ways you can use the cloud for your business development. Defining what these stand for, IaaS is Infrastructure as a Service, PaaS is Platform as a Service, and SaaS is Software as a Service.

Firstly, what is Cloud?

Cloud can be defined as the supplying component of computing services like storage, networking, analytics, servers, etc. to interested companies over the internet. Cloud helps businesses be cost-effective, give speedy deliveries, secure data, give an enhanced performance, be productive, etc. It allows entities’ to pay only for the services they use and therefore, lowers operational cost to help business infrastructure work more professionally.

Now, some examples can help you get a better understanding of where each of the cloud’s service platform functions. Check out below:

SaaS– Dropbox, Google Apps.

PaaS– Heroku, Google App engine, OpenShift.

IaaS– Linode, Microsoft Azure, Amazon Web Series, Joyent etc.

The above gives an impression on which all fields these modern business platforms work, and here we have in-depth information on their operations to help you decide which platform is best for your organization:

Software as a Service (SaaS):

This a cloud computing service which offers businesses access to cloud-based software. When you opt SaaS for your business functions, you get an application that resides on the cloud network, which can be opened through the web or an API. SaaS does not allow to install apps on the device, however, stores them on a remote cloud network. It benefits your company by reducing expenses and time consumed on tasks like installing, handling, and promoting software. 

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Characteristics of SaaS:

    Provides apps and software through a subscription model.

    There is no need to manage, install and upgrade software.

    Data is secure.

    Resources can be scaled.

    Makes software and app available anywhere just with an internet connection.

    Hosted on a remote server.

    Managed from one location.

When to use:

    If you want to launch your software/app as early as possible, SaaS can help.

    Used for assignments which require teamwork.

    Used for apps that want presence over both web and mobile.

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Platform as a Service (PaaS):

This platform helps businesses get hardware and software tools available through the internet. It gives companies a cloud environment where customers get to develop, manage and deliver applications. It helps to store data virtually, moreover, gives access to tools that can develop, customize and test apps enhancing business process services.

Characteristics of PaaS:

    There is no worry of underlying infrastructure and therefore, gives enough time to focus on development.

    Integration of web services and databases.

    Different users can access the same app.

    Automates business policy.

    Less use of coding thus saves time.

    Build on virtualized technology.

When to use:

    When multiple developers are functioning on the same project, PaaS offers great speed and even makes your business process flexible.

   Helps to develop own customized application and therefore can be used for custom-build applications’ development.

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    In the process of development and deployment of apps, PaaS can help to reduce costs and can simplify business challenges.

Infrastructure as a Service (IaaS):

In this cloud offering, an external vendor provides your business, access to servers, storage, and networking.  Within a service provider’s cloud infrastructure, businesses are allowed to use their own platform and applications. Instead of being compelled to spend over hardware, IaaS emphasizes doing expenses based on consumption, which makes it cost-effective.

Characteristics of IaaS:

    Users just have to pay for IaaS on demand and not for hardware.

    Infrastructure is scalable.

    Saves from many irrelevant costs.

    Data is secure as it is on the cloud.

    Promotes virtualization.

    Active and flexible.

    Organizations control their virtual infrastructure

When to use:

    Best for start-ups, as they do not have to spend money on hardware and software.

    Big organizations that want full control over their applications and infrastructures can use IaaS.

    Good for new businesses as it does not compels to stick to one specific hardware or software.

    If you are unsure over the changes in your business process services, IaaS is the best. Changes are easier because of flexibility.

SaaS v/s PaaS v/s IaaS:

Majorly each of the above cloud models functions in its own unique way, however, are different from each other. The importance of cloud in the future to come cannot be denied, as journeying with the cloud is the need of the hour for businesses! Whether you want a cloud-based software for data storage, a platform for efficient custom-developed application, or look to get complete access on entire infrastructure, Cloud and its three services- IaaS, PaaS and SaaS are everywhere!

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The major difference to be highlighted is SaaS is that it brings a change from traditional on-device software, PaaS upsurges developer efficiency with decreasing an app’s TTM (time-to-market) and IaaS helps to give data infrastructure to share workloads.

What do Stats say about the three main types of Cloud computing?

SaaS: This service platform is said to account for 24% of all enterprise workloads.

PaaS: It is the most popular platform with 32% growth rate and is expected to develop faster in the future.

IaaS: IaaS growth rate has succeeded from 6% to 12%.

These Statistics define an overview on how the cloud platforms have evolved, are evolving and will continue to do so, making businesses successful. These services are now an acronym for Cloud and their popularity is increasing day by day, stressing over the fact that all successful business operations will have their link with PaaS, SaaS, and IaaS in the near future.

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