PaaS, also referred to as platform as a Service, refers to a cloud computing model that lets a third-party provider deliver software and hardware tools, usually for web application development, to users over the internet. PaaS provides the complete platform for developing software applications, and an entire environment to develop and deploy web applications in the cloud. It allows you to create everything from simple web applications to complex enterprise web apps.
Why Use PaaS?
The primary benefit of PaaS is simplicity and convenience for users – typically developers. PaaS decreases infrastructure management. It automates or entirely eliminates maintenance tasks. It removes the complexities of load balancing, scaling, and distributing dependent services. It allows organizations to adopt new offerings and technologies without overhauling the business process.
Say you want to create an ecommerce store. For this, you need a framework in PHP or any other programming language. To store your data, you need a database like MySQL Server or MariaDB. You need a server to host and run your ecommerce store.
Purchasing this software, setting up the development environment, and maintaining it is an expensive and time-consuming process. With PaaS, the cloud service provider will fulfil all your prerequisites to run your store smoothly over the internet. The development platform will be available within a few minutes, and you can select the IAAS provider and data centres as per your choice.
PaaS offers a Pay-As-You-Go service to their customers, so you only have to pay for the resources you consume. This lets organizations of all scales, including small organizations and even individuals, use structured software development and features.
PaaS vs IaaS
Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) are the two cloud computing service models. Each provides a service on-demand.
IaaS gives you access to the tools that let you configure hardware (virtual or real) into a system that you can then run your software on. You can get on-demand access to servers (virtual machines or bare metal, meaning real servers), as well as networking resources (e.g., floating IPs, subnets, routers, and switches), and finally, storage that could include files, system storage, block or object storage.
While the software will automate creating whatever architecture you want to configure, the result must be a system that will then support the deployment of existing application software on top of it.
PaaS provides you with software development and, usually, a delivery platform. This means you will have all the tools you need to develop software in the language of your choosing. PHP PaaS systems typically enable you to deploy that software to production and update the codes as improvement and bug fixes happen.
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