Classification and Deployment Models for Cloud Computing

FOR IMMEDIATE RELEASE
new york city, New York, United States of America (Free-Press-Release.com) November 27, 2011 -- The term “Cloud Computing” was founded during the early days of the internet as far back as 1960. The concept dates as far back as then, when John McCarthy said, “computation may someday be organized as a public utility."

The well-known definition of cloud computing is “Software as a Service” (SaaS). SaaS is based on outsourcing the ownership and management of software. The main benefit of SaaS is that it saves the risk and expense of managing the software.

Virtual Machines or Platform as a Service (PaaS) is one the definition of Cloud Computing and also known as Cloud infrastructure.

A good cloud will allow users to select and access what they want from an online service catalog containing a huge range of applications. Any individual or entity may go to an online catalog, select a service, click, and deploy.

Cloud computing is also known as “Distributed Computing.” What this means is that multiple machines in different domains may perform as little as one task or multi thread (perform many task).

Classifications of Cloud:

· Public Cloud: Public Cloud describes cloud computing in the traditional mainstream sense, whereby resources are dynamically provisioned to the general public on a fine-grained, self-service basis over the Internet, via web applications/web services, from an off-site third-party provider who bills on a fine-grained utility computing basis.
· Community cloud: Community cloud shares infrastructure between several organizations from a specific community with common concerns (security, compliance, jurisdiction, etc.), whether managed internally or by a third-party and hosted internally or externally. The costs are spread over fewer users than a public cloud (but more than a private cloud), so only some of the benefits of cloud computing are realized.

· Hybrid cloud: Hybrid cloud is a composition of two or more clouds (private, community, or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models.

· Private cloud: Private cloud is infrastructure operated solely for a single organization, whether managed internally or by a third-party and hosted internally or externally.

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