> For the complete documentation index, see [llms.txt](https://huy312100.gitbook.io/software-development/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://huy312100.gitbook.io/software-development/cloud-service/aws/certificate/clf-c02/cloud-concepts/problems-solved-by-the-cloud.md).

# Problems solved by the Cloud

* **Flexibility:** change resource types when needed
* **Cost-Effectiveness:** pay as you go, for what you use
* **Scalability:** accommodate larger loads by making hardware stronger or adding additional nodes
* **Elasticity:** ability to scale out and scale in when needed
* **High-availability and fault-tolerance:** build across data centers
* **Agility:** rapidly develop, test, and launch software applications
