Different Types of Cloud-based Services

Anushkakhatri 29 Jul, 2022 • 4 min read

This article was published as a part of the Data Science Blogathon.


Cloud computing is one of the fastest-growing IT technologies today. By 2025, 83% of enterprise workloads will be in the cloud. According to the IDC report, the world will spend $160 billion on cloud services and infrastructure in 2018. The cloud encompasses a variety of online services. It is important for businesses considering cloud services to understand the differences between IaaS, PaaS, and SaaS. You should choose the right model depending on your business requirements and the number of tasks you want to delegate or handle yourself. Selecting the ideal cloud service is undoubtedly difficult, and you must weigh several factors before deciding. Here, we have covered all of the benefits and drawbacks of SaaS, PaaS, and IaaS to help you decide which model is best for your company.
cloud-based service


Essentially, this is a virtual version of a physical data center. Cloud infrastructure providers use virtualization technology to deliver scalable computing resources to their clients, including servers, networks, and storage. Clients benefit from this since they cannot purchase personal hardware and manage its components. Instead of deploying their applications and platforms in physical data centers, they can use the provider’s virtual machines. The IaaS provider manages the entire infrastructure, but users fully control it. Apps and operating systems are installed and maintained by users, as well as security, runtime, middleware, and data.

Advantages of IaaS:

1. Model with the greatest flexibility and dynamic potential.
2. Due to pay-as-you-go pricing, it is cost-effective.
3. Automated hardware deployment makes it easy to use.
4. Employees have more time for other tasks because management tasks are virtualized.

Disadvantages of IaaS:

1. Multitenant architecture poses security risks.
2. Customers cannot access their data for some time due to vendor outages.
3. Learning how to manage new infrastructure requires team training.


PaaS, or Platform as a Service, is an internet-based framework for creating software. This platform contains software components and tools developers can use to create, customize, test, and launch applications. Vendors of PaaS manage servers, operating system updates, security patches, and backups. App developers and data managers do not have to worry about maintaining infrastructure, middleware, and operating systems. IaaS and PaaS differ primarily in how much control users are given.

Advantages of PaaS:

1. Since PaaS-built software is cloud-based, it is highly scalable, available, and multi-tenant.
2. Streamlining and speeding up the development process.
3. The cost of creating, testing, and launching apps is reduced.
4. Policy automation.
5. A reduction in the amount of coding required.

Disadvantages of PaaS:

1. Issues related to data security.
2. It is not possible to cloud-enable every element of existing infrastructure.
3. Speed, reliability, and support depending on the vendor.


The vendor provides cloud-based software with this offering. SaaS applications need not be downloaded and installed on local devices, but plugins may be necessary occasionally. SaaS software can be accessed via the web via APIs and is located on a distant cloud network. Customers can work together on projects, store data, and analyze it with these apps.
The most popular type of cloud computing is SaaS. Everything, from hardware stability to app functionality, is managed by the SaaS provider. In this arrangement, clients are exclusively responsible for using programs to carry out their jobs. In this instance, the provider controls the client’s software experience.

Advantages of SaaS:

1. There are no hardware costs, and initial setup costs are not incurred.
2. Upgrades are performed automatically.
3. Adaptability to multiple devices.
4. Easily accessible from anywhere, A pay-per-use model.
5. Adaptability, Customization is easy.

Disadvantages of SaaS:

1. A lack of control.
2. Solutions are limited.
3. The need for connectivity cannot be overstated.

Difference between IaaS, PaaS, and SaaS

cloud-based services


IaaS PaaS SaaS
1.    IaaS stands for Infrastructure as a Service
PaaS stands for Platform as a service.
SaaS stands for software as a service.
2.    As part of IaaS, the cloud provider manages the
As a part of PaaS, the cloud provider manages
both infrastructure and platform. 
As part of SaaS, the cloud provider manages all
infrastructure, platforms, and software.
3.    In IaaS, you need to manage the platform and software. In PaaS, you need to manage the software.  As a SaaS user, you do not need to manage
4.    Infrastructure as a Service(IaaS) can be used for data recovery, storage, software testing, and development. Platform as a service can be used for framework
development and management, as well as business intelligence.
 Software as a service (SaaS) enables users to use applications for personal or business purposes.
5.    IaaS platforms are highly scalable.
PaaS platforms allow customers to scale computing resources according to their business size. The SaaS model is scalable with different pricing tiers for every business level.
6.    Providers fully control infrastructure. Due to the limited capabilities of PaaS platforms, users may not be able to customize cloud operations.  An internet connection and a browser are all required for users to use SaaS apps.


After reading through all of the material above, you will understand the value of cloud services and why they are so well-liked by companies. The advantages of cloud solutions are enormous. Thus, it is unsurprising that this economic sector is experiencing such a sharp expansion. Choosing any model from the list above depends entirely on your business needs and the kind of task you want to carry out.

Key takeaways:

  • Several technical words are related to cloud computing, but IaaS, PaaS, and SaaS are the most crucial.
  •  They are regarded as the three key pillars that provide stability for cloud computing.
  • Your business goals will determine which of these three types you ultimately select.
  •  The three cloud models each have unique traits and capabilities.
  •  It is crucial to comprehend their main distinctions from one another.
  • Whether you want to use the cloud for storage, require a powerful platform to create custom apps, or want complete control over your infrastructure, you must pick the correct cloud provider.
  • Moving to cloud services is necessary to maintain your company’s organizational strength regardless of your option.
  • You can choose to use just one cloud computing model or all three models’ services.
  •  The size and complexity of your organization will determine this.

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Anushkakhatri 29 Jul 2022

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