Cloud Computing Deployment Models
❑Cloud:
A cloud-based application is fully deployed in
the cloud and all parts of the application run in the
cloud. Applications in the cloud have either been
created in the cloud or have been migrated from an
existing infrastructure to take advantage of
the benefits of cloud computing
. Cloud-based
applications can be built on low-level infrastructure
pieces or can use higher level services that provide
abstraction from the management, architecting, and
scaling requirements of core infrastructure.
❑Hybrid:
A hybrid deployment is a way to connect
infrastructure and applications between
cloud-based resources and existing resources
that are not located in the cloud. The most
common method of hybrid deployment is
between the cloud and existing on-premises
infrastructure to extend, and grow, an
organization’s infrastructure into the cloud
while connecting cloud resources to internal
system. For more information on how AWS
can help you with your hybrid deployment.
❑On-premises:
Deploying resources on-premises, using
virtualization and resource management tools,
is sometimes called “private cloud”. On-premises
deployment does not provide many of the
benefits of cloud computing but is sometimes
sought for its ability to provide
dedicated
resources
. In most cases this deployment model
is the same as legacy IT infrastructure while
using application management and virtualization
technologies to try and increase resource
utilization
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