Biomedical Engineering Reference
In-Depth Information
Fig. 1
Cloud usage
Services of Cloud Computing
IaaS
Infrastructure layer corresponds to IaaS infrastructure services, is the lowest layer
of the network. Users can household to provide standard services, including
computing power and storage resources. It turn the memory, storage, and com-
puting power into a virtual whole resource pool for the entire industry to provide
the required computing power and storage resources.
PaaS
Platform layer corresponds to platform as a service (PaaS) that made a higher level
of abstraction on the base of Iaas layer to provide a development environment, test
environment, server platforms, and other services, users can develop applications
based on Internet and other servers service providers infrastructure, then share it to
other users.
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