Question - What do you understand about cloud delivery models?
Answer -
There are 4 basic cloud delivery models.
- IaaS: Infrastructure as a Service is a delivery model where the cloud manages all infrastructure-based resources like network, storage, servers, virtualization, and other resources like Operating system, middleware, and runtime environments for the user’s application, and data is managed by the user.
- PaaS: Platform as a Service is a delivery model where all platform-based resources like network, storage, servers, virtualization, operating system, middleware, and runtime are managed by the cloud, and the application and data have to be managed by the user.
- SaaS: Software as a Service is a delivery model where all software-based resources like network, storage, servers, virtualization, operating system, middleware, runtime, and the application are managed by the cloud. The user has to provide only the data required for using the application.
- XaaS: This refers to everything as a service, describing a generic category of various services like databases, servers, networks, etc., that can be provided as a cloud service.