Major differences between SaaS, IaaS, and PaaS

Photo by Adeolu Eletu on Unsplash

These days, from small to large businesses, everyone chooses online services. Also, they go for cloud solutions. No one wants to heavily store amounts of data and clutter their physical computers. Businesses entrepreneurs decide to use cloud-based services for more than three reasons. They are cost-effective, scalable, performant, secure, and are available right away when you access them. The cloud computing industry has three main categories. These incorporate SaaS, IaaS, and PaaS distributing models. Let’s take these three to a ride.

What SaaS stands for?

SAAS stands for Software as a Service, and it’s actually cloud-based computing.
Cloud-based computing or cloud-based software is a computer system resource that refers directly to data storage and computing power “without direct active management by the user.”

A software that is hosted on a cloud-based it’s way faster and running without interruptions. Also, this type of service is useful as it gives access to full-function applications in a quick time. Everything is stored on the Internet, instead of physically located devices.

SaaS first appeared in 2006 with the release of the Elastic Compute Cloud on Amazon. In 1993, the Apple company referred to the cloud term as a distributed system, where “components are located on different networked computers, which communicate and coordinate their actions by passing messages to one another.”

Long before its usage as we know it today, “cloud computing” as a term was mentioned in a document of the Compaq company. Then, the cloud’s symbol was used by ARPANET and CSNET to “represent networks of computing equipment.”

Benefits of the Software as a Service

Nowadays, when referring to the SaaS model, we imagine that the cloud provider develops and maintains software for cloud applications, with automatic updates. You can think of SaaS as on-demand software. Also, the software is available to anyone on the Internet and is a pay as you use service. The cloud provider ensures the hardware, application software, and security. This way, new generations of SaaS users can reduce costs, such as implementation or scaling. Furthermore, by opting for a cloud suite that integrates solutions for full services, such as marketing, sales, HR, accounting, and more.

SaaS ensures a quick deployment since it doesn’t require users to install and configure it on individual machines. By having an Internet connection, users can access a SaaS app from everywhere via a web browser. Also, all the data is stored in the cloud, so it’s not bound to a user’s computer. Techradar has made a full and comprehensive article on the Do’s and Don’ts of the SaaS model. You can check it out here https://www.techradar.com/news/what-is-saas.

IaaS on-demand

IaaS is the acronym behind the Infrastructure as a Service. A supplier packed with all the required servers, networks, and other resources that provide cloud computing services is “renting” solutions to you. Infrastructure as a Service represents online solutions with Application programming interface made without the need for a physical resource. IaaS is basically a “cloud orchestration technology” that, according to NIST (the National Institute of Standards and Technology), has the capability to provide and “to provision processing, storage, networks, and other fundamental computing resources.” The IaaS is described as a model where the user is able to deploy and run arbitrary software, including any operating systems or applications. You can think of IaaS as your long term data renter.

Best IaaS service providers worldwide:

AWS – Amazon Web Services – whether you’re an individual user, business, or even a government, AWS solutions are web-based in 4 sections: compute, storage, content delivery, as well as networking.

Google Cloud Platform – well known for its user-friendly pricing and secure storage, Google Cloud is a great place for any business.

IBM Cloud Services – you can handpick any features to customize the server.

Microsoft Azure – allows you to use the services on the cloud or by mixing them with other existing apps.

Digital Ocean – with this IaaS option and powerful tools, you can set up your own cloud.

Apache Cloudstack – is an open-source IaaS alternative, and you have full control over your infrastructure’s management.

PaaS Types

PaaS stands for Platform as a Service and permits web developers to develop, run, and also to manage their own applications without administering the infrastructure part.

According to the NIST definition of PaaS, the consumer has the capability “to deploy onto the cloud infrastructure consumer-created or acquired applications created using programming languages, libraries, services, and tools supported by the provider.”

The PaaS sellers have the proper development environment for web developers who want to run their software on a “cloud platform instead of directly buying and managing the underlying hardware and software layers.” In the PaaS services, the cloud providers make a computing platform available. The providers also include the database, web server, operating management systems.

There are multiple PaaS types, such as public, private, or hybrid. The public PaaS model stands between the SaaS and IaaS service providers.

Final Thoughts

While SaaS services are hosted somewhere in the cloud, and the IaaS model has virtual hardware from a provider with flexible scalability. In both cases, SaaS and IaaS, the user has to handle the server, while the PaaS model lets the service provider manage the server. When referring to cloud computing, we believe it is the safest, secure, and fastest way to store any data. With access from anywhere, it’s easy to stay in touch with everything that matters to you and your business. The world is faster evolving, so is the Internet. With AI and chatbots knowing at the front door, who knows what else the future will bring in the tech industry. Comment below about the services you choose and what type: SaaS, IaaS, or Paas.

About the Author

Alina.G is a Content Marketing Strategist at tagDiv. After a long journey through fine arts, she combines her WordPress passion with native writing skills. Alina is fun and carrying team player, ready to deal with any challenge.