For all of the benefits that BaaS and SaaS provide, companies still have to incorporate bespoke feedback into products, and they often feel the need to retain control of some of the business logic that comprises the backend.
This control and flexibility doesn't have to be achieved at the cost of the benefits of BaaS, SaaS, and PaaS. Companies, having tasted the benefits of such big strides in infrastructure management don't want to add costs to managing and maintaining hardware, whether bare metal or in the cloud.
This is where a new paradigm, Function as a Service (FaaS), has evolved to fill the gap.
Function as a Service is a paradigm wherein a function is a computation unit and building block of backend services. Formally, a function ...
