PaaS vs IaaS vs SaaS: Choosing the Right Cloud Model
PaaS vs IaaS vs SaaS: Choosing the Right Cloud Model Cloud models describe how you use computing resources. The three common options are IaaS, PaaS, and SaaS. Each model shifts some work from you to the provider. The choice affects control, speed, and cost. With clear goals, you can pick the right model for your team. What each model covers IaaS: You get virtual machines, storage, and networks. You decide the operating system, runtimes, and data. The provider handles hardware, power, and cooling. Example: AWS EC2, Azure Virtual Machines. PaaS: The platform runs the runtime and middleware. You deploy code, and the system scales and updates for you. You focus on features, not server maintenance. Example: Heroku, Google App Engine. SaaS: You use software hosted by the provider. No setup or maintenance of the app is needed. Your job is to use the tool and manage data. Example: Gmail, Salesforce. When to choose ...