Cloud Service Models: IaaS, PaaS, SaaS Explained with Real World Examples

Cloud Service Models: IaaS, PaaS, SaaS Explained with Real World Examples
Cloud Service Models: IaaS, PaaS, SaaS Explained with Real World Examples

Technological advancement has heralded the inception of cloud computing, a game changer in the business industry. Meanwhile, three main cloud service models are getting in accordance with the ascending level of assistance Infrastructure as a Service, Platform as a Service, and Software as a Service. Each offers a unique set of benefits while being up to diverse business requirements. In this article, an overall analysis will be conducted to examine the above service models and elucidate the involvement of the same through real-world examples

Infrastructure as a Service (IaaS)

The least complex cloud storage model is Infrastructure as a Service , providing clients only with virtualized computing resources in the form of Internet-based servers, storage, and networking. Unquestionably, IaaS allows clients to rent these virtual resources and no longer ponder the acquirement of hardware equipment, avoiding costs for capital, maintenance, and access. Real World Example: Amazon Web Services

Arguably, an example of IaaS is Amazon Web Services , focusing on delivering and promoting the adoption of Sevices such as Amazon Elastic Compute Cloud and Amazon Simple Storage Service , enabling businesses to operate all their equipment online without the need of having it in physically based servers. Meanwhile, by renting this space, software companies receive less complexity than managing servers on their own.

Platform as a Service (PaaS)

Onto IaaS, PaaS offers the use of additional development, testing, and supporting tools fostering the delivery, management, and development of applications without having to be anxious concerning the establishment of underlying infrastructure. Real-World Example: Microsoft Azure

One of Azure’s examples, such as Azure Web Apps , helps build, attach, and dock applications at a pace without being too much concerned regarding the system they are based on or databases to utilize. Companies use platforms such as Azure as a service to construct their business from scratch.

Software as a Service

SaaS takes the form of software applications that are delivered over the web, on a pay-to-use basis. The applications are run on the cloud and can be accessed from any location. This is the easiest and most convenient service model in cloud computing. It eliminates the need to install and run applications on individual computers which greatly reduces the workload on the equipment and support.

One of the widely-used application suites in Google Workspace . The suite is used by small, medium, and large businesses in virtually all industries around the world. It offers a simple way of collaborating with employees from different locations in real-time, working effectively, and improving productivity. There are no software downloads, installations, or updates required which further reduces the IT overhead of using this suite.

Comparing IaaS, PaaS, and SaaS


ManagementCustomerPartially VendorVendor
Speed of DeploymentSlowModerateFast

Choosing the Right Model

The choice between IaaS, PaaS, and SaaS depends heavily on the nature of the business that wants to avail of the cloud services. IaaS is considered the most flexible and provides a high level of control which is most applicable to medium and huge enterprises with complex field setup. PaaS is appropriate for developers who are more interested in coding more than anything else. Finally, SaaS would be most suitable for companies that are seeking web-based applications that are ready to use with minimal effort.


In conclusion, with the advent of cloud service models – IaaS, PaaS, and SaaS, technology has become incredibly accessible, liberating businesses to use as much computing power as they need or making life easier with free use applications. Differentiating between them and understanding where to use what helps companies to streamline operations, continue the strategy of digital transformation, and implement innovations in the business environment.


No comments yet. Why don’t you start the discussion?

Leave a Reply

Your email address will not be published. Required fields are marked *