
77Cloud Service Models
public IaaS consumers need not consider the host OS as it is maintained by
the service provider. In managing the private cloud, the users should see
the supported host OS. However, most of the private IaaS supports popu-
lar guest OS, fully depending on the hypervisor that the IaaS providers are
supporting.
5.3 Platform as a Service
PaaS changes the way that the software is developed and deployed. In tra-
ditional application development, the application will be developed locally
and will be hosted in the central location. In stand-alone application develop-
ment, the applications will be developed and delivered as executab ...