The “as-a-service” models are typical of the second wave of Web 2.0, built on top of cloud computing. Indeed, these models’ basic premise is to offer a solution to the final customer without having to host it on-premise, with complex implementations and large overhead. Yet while PaaS and IaaS are skewed toward development teams. SaaS has wider applications toward end-users, also in non-technical departments.
Infrastructure as a service (IaaS)

Read Also: IaaS Business Model
Platform as a service (PaaS)

Read Also: PaaS Business Model
Software as a service (SaaS)

Read Also: What Is SaaS
Connected Business Frameworks






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