There are many connection oriented protocols that can never run on function as a service (Faas) offerings, which the article seems to suggest, is the only type

There are many connection oriented protocols that can never run on function as a service (Faas) offerings, which the article seems to suggest, is the only type of severless. Fundamental applications like email, webrtc, even git, cannot run inside FAAS. The future, in my opinion is offerings like AWS fargate. The developer writes logic that is containerized, and the auto scaling, scheduling, etc is handled in a seamless fashion by the provider, removing the burden of ops from the developer. In many ways, this is a connection-oriented Faas, and that is where the future likely lies, due to its wide applicability