Platform as a service often called as (PaaS) is a classification of cloud computing services that offers a platform, enabling business users & individuals to develop, run and manage different kind of web applications without any intricacy of building and maintaining the infrastructure typically associated with developing and deploying an application. PaaS can be delivered in two ways:
• Firstly as a public cloud service from provider in which the customer controls software and configuration settings, and the service provider proffers the networks, storage, servers and other computing resources to host the customer's web application.
• Secondly as a software installed in private data center premises or public environment as a service, which is completely managed by internal IT departments.
PaaS services are hosted in the cloud environment and accessed by the users through their web browser.