The idea is to add next to currently available containerized .Net and Java environments a
serverless environment while still keeping the open-standards requirement, and on-premise, hybrid deployment scenarios for enterprise customers.
For example the incubating Apache OpenWhisk project would allow OS's current enterprise customers become cloud-natives (without IaaS burden) and still prevent vendor lock-in from public cloud vendor on the F/PaaS level (aws, gcp, azure).
Another benefit is Multicloud support: enterprises are starting to require the possibility to deploy it's systems across multiple cloud vendors simultaneously and manage it as a single unified environment ...