Introduction to Cloud Computing > Cloud Computing Service Models

Cloud Service Model: Platform as a Service

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As the name implies, PaaS (Platform as a Service) provides you with computing platforms that typically contain an operating system, programming language execution environment, database, and web server. AWS Elastic Beanstalk, Windows Azure, Heroku, Force.com, Google App Engine, and Apache Stratos are just a few examples.

Platform as a service, or PaaS, is on-demand access to a comprehensive, ready-to-use, cloud-hosted platform for developing, running, maintaining, and administering apps. Software as a service, or SaaS, is on-demand access to cloud-hosted application software that is ready to use.

Platform-as-a-service (PaaS) is a cloud service delivery paradigm in which a third-party cloud service provider supplies some hardware and software tools to consumers over the internet, typically those required for application hosting or development.

PaaS, like IaaS, contains infrastructure—servers, storage, and networking—as well as middleware, development tools, BI services, database management systems, and other services. PaaS is intended to enable the entire web application lifecycle, including development, testing, deployment, management, and updates.

For developers with limited system understanding, PAAS is simple to use. SAAS can be run by developers who have no prior experience with system administration. 9. In SAAS, the pricing includes all maintenance, security, and compliance, however in PAAS, we must pay for each service separately.

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