IaaS, SaaS or PaaS?

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 …

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