> For the complete documentation index, see [llms.txt](https://tkssharma-devops.gitbook.io/devops-training/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tkssharma-devops.gitbook.io/devops-training/cloud-computing/what-is-cloud-computing/infrastructure-as-a-service-iaas.md).

# Infrastructure as a service (IaaS)

Infrastructure as a service provides companies with computing resources — including servers, networking, storage and data-center space — on a pay-per-use basis.

Benefits of IaaS:

* No need to invest in your own hardware
* Infrastructure scales on demand to support dynamic workloads
* Flexible, innovative services available on demand