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Home / Insights / Blog / IaaS vs. PaaS – Understanding the Difference and Making the Right Choice
July 31, 2023 - by Darren White
As businesses become cloud-first, IaaS (Infrastructure as a Service) and PaaS (Platform as a Service) models have been experiencing immense popularity. Offering an array of application development, collaboration, and hosting capabilities, these models pave the way for high levels of flexibility, scalability, and security in the cloud.
But how does one decide which model to choose? How are IaaS and PaaS different? What factors should organizations keep in mind while making a choice?
While both models offer distinct advantages and are adopted by software development teams based on specific use cases and organizational requirements, read on to understand the many differences and make the right choice.
IaaS, or Infrastructure as a Service, is a cloud computing model that delivers essential computing resources over the Internet. In an IaaS model, cloud service providers deliver essential computing infrastructure, including servers, storage, networking, and virtualization, as a service to organizations or end users.
With IaaS, businesses can access and consume these virtualized resources on demand, paying only for what they use. This eliminates investments in and maintenance of physical hardware or infrastructure. This allows companies to scale their IT infrastructure up or down as needed, based on fluctuating demands, without the need for significant upfront capital expenditures.
Examples of popular IaaS providers include Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform, IBM Cloud, and Oracle Cloud Infrastructure.
PaaS, or Platform as a Service, is a cloud computing model that provides a complete and all-encompassing environment for developers to build, deploy, and manage applications. By delivering necessary development tools, runtime environments, databases, middleware, and other services, PaaS supports developers at every step of the application lifecycle.
Since it eliminates the complexities of managing the underlying infrastructure, developers can focus on writing code and creating applications. All provisioning, scaling, and maintenance tasks of the underlying infrastructure are taken care of by the cloud provider.
Examples of popular PaaS providers include Microsoft Azure, Google App Engine, AWS Elastic Beanstalk, IBM Cloud Foundry, and Red Hat.
IaaS serves as a foundational building block for various cloud-based services and applications. It enables businesses to focus on their core competencies while leaving the burden of infrastructure management to the service provider.
PaaS plays a crucial role in enabling businesses to leverage the full potential of cloud computing for their application development needs. It empowers developers to focus on creating innovative applications without worrying about day-to-day infrastructure management.
Despite offering similar capabilities, IaaS and PaaS differ in several aspects. Let’s look at the top differences:
The adoption of both IaaS and PaaS continues to grow as organizations seek to modernize their IT infrastructure, improve application development efficiency, and leverage the scalability and cost-effectiveness of cloud computing.
IaaS provides virtualized infrastructure resources, offering more control but requiring greater administrative involvement from the customer. On the other hand, PaaS abstracts away infrastructure complexities, providing a development platform that streamlines the development and deployment process.
The choice between IaaS and PaaS depends on the specific needs, development approach, and level of control desired by the business or team. It is also possible to adopt a hybrid approach and use a combination of both: IaaS for specific workloads or legacy applications that require customization and PaaS for rapid application development and deployment of new projects.
Darren White serves as the Practice Director, Cloud Advancement at Synoptek, bringing 25 years of professional experience to his role. At Synoptek, White is responsible for the growth and strategic direction of the company’s public cloud practices and oversees cloud-related development, cloud center of excellence, sales campaigns, solution offerings and cloud operations.
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