The Cyber Security Network Guide by Fiedelholtz

Author:Fiedelholtz
Language: eng
Format: epub
ISBN: 9783030615918
Publisher: Springer International Publishing

5.2 Deployment Models

There are many different definitions of clouds, and many ways of describing how clouds are deployed. Often, four basic offerings are described by cloud providers: private clouds, community clouds, public clouds, and hybrid clouds.

A private cloud has infrastructure that is operated exclusively by and for the organization that owns it, but cloud management may be contracted out to a third party. A community cloud is shared by several organization and is usually intended to accomplish a shared goal. For instance, collaborators in a community cloud must agree on its security requirements, policies, and mission. It too, may farm out cloud management to another organization. A public cloud available to the general public is owned by an organization that sells cloud services. A hybrid cloud is composed of two or more types of clouds, connected by technology that enables data and applications to be moved around the infrastructure to balance loads among clouds.

Thus, cloud software is not business as usual. It must provide services without anchoring in a particular location. It must also be highly modular, with low coupling and easy interoperability all characteristics of good code.

Two of the major cloud models that are most used by the government and private sector are the Amazon Web Cloud Services (AWS) and Azure Microsoft Web Services.

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