Business in the Cloud
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6.7
Deployment Models
According to Sosinsky (2012) “cloud deployment models refer to the location and
management of the cloud’s service”. Thus the deployment models form the second
part of the architectural types of cloud services. They are based on the kind of
access by the client (Unnikrishnan, Surve, & Bhoir, 2011, p. 171).
6.7.1
Private Cloud – Definition
A Private Cloud describe an infrastructure provided solely for usage by a single
entity (e.g. an organization) comprising multiple consumers (e.g. business units,
departments). The organization itself, a third party or a combination of them might
hold the upper hand regarding maintenance, ownership, management, as well as
operation. The key element that decisively distinguishes a private cloud model from
others is the limited target audience it is provided to (Mell & Grance, 2011, p. 7) &
(
Meinel, Willems, Roschke, & Schnjakin, 2011, p. 28).
6.7.2
Community Cloud – Definition
Community Clouds are deployment models, which are provided to a greater amount
of consumers. The common denominator for provision of this kind of infrastructure
to a specific community of consumers is a shared concern by the organizations (e.g.
mission, policy, or compliance considerations). Analogous to Private Clouds, they
can be managed, monitored, controlled and operated by one or more parties of the
organizations, by a third party or even by a combination of all mentioned (Mell &
Grance, 2011, p. 7) & (Harding, 2011, pp. 16-17).
6.7.3
Public Cloud – Definition
A Public Cloud infrastructure is provided for open usage by a non-specific mass of
entities. Usually a Public Cloud service can be accessed via a web portal (Mell &
Grance, 2011, p. 7) & (Baun, 2010, pp. 27-28).
