In a serverless computing environment, you do not need to provision, manage, patch, or secure servers. You are outsourcing the management of both the physical hardware and the virtual servers, operational systems, networking, and security to the serverless computing vendor. This provides cost savings in the following two ways:
- Direct infrastructure cost
- IT operations cost
This advantage also exists in any PaaS services, and for a FaaS service it may actually not be as straightforward as it seems. While there are very clear cost benefits to not managing servers, it is important to remember that operations typically cover a lot more than server management, including tasks such as application deployment, monitoring, ...
