The basic key points of the 3 Cloud Computing services include:
IaaS(Infrastructure as a service): The cloud provider is responsible for maintaining the infrastructure (hardware, network connectivity (to the internet), and physical security). You’re responsible for maintaining the platform (operating systems, middleware, development tools) and software (data and apps).
PaaS(Platform as a service): The cloud provider is responsible for maintaining the infrastructure (hardware, network connectivity (to the internet), and physical security) and platform (operating systems, middleware, development tools). You’re responsible for maintaining the software (data and apps).
SaaS(Software as a service): The cloud provider is responsible for maintaining the infrastructure (hardware, network connectivity (to the internet), and physical security), platform (operating systems, middleware, development tools) and software (data and apps). You’re responsible for maintaining nothing.
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