| Layer | On-Prem 🏠 | IaaS 🧰 | PaaS 🚀 | SaaS 🍽️ |
|---|---|---|---|---|
| Facilities & Power | You | Provider | Provider | Provider |
| OS | You | You | Provider | Provider |
| Application | You | You | You | Provider |
| Step | On-Prem 🏠 | IaaS 🧪 | PaaS 🛵 | SaaS 🍽️ |
|---|---|---|---|---|
| Kitchen & Utilities | You | Store | Restaurant | Restaurant |
| Dough & Sauce | You | You | Provider | Provider |
| Bake | You | You | They | They |
| Serve & Eat | You | You | You | You |
You make pizza at home from scratch.
You rent a kitchen with ovens and utilities, but you bring your own ingredients and recipe.
You ask a personal chef to make pizza in your kitchen. You still own the kitchen; they handle the cooking and upkeep.
You rent a professional pizza oven in a restaurant kitchen; just bring your dough and toppings.
You go to a pizza restaurant and order a pizza; they cook, serve, and clean up. 😋