Service and Deployment Model of Cloud Computing

PARTH MAISHERI

WHAT IS CLOUD COMPUTING ?• It’s a type of computing which involves sharing of computer resources

rather than using local servers or dedicated devices for processing. In simple words, it is the process of storing frequently use data on multiple servers which could be accessed by using internet.

• In easy language cloud computing is virtual place where people get together sitting at home.

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SERVICES PROVIDED BY CLOUD COMPUTING:

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IaaS

• (Infrastructure as a service) This is the most comprehensive cloud platform and is mainly used by full-time developers or large-scale enterprise customers.Examples : Amazon's Cloud (EC2) , Rackspace,GOGRID.

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PaaS

• (Platform as a service) provides developers with proprietary to make an application that will run in a specific environment. While a developer is free to create any application they wish, the app is locked to the platform used for its creation. Examples: Windows Azure, Google App Engine.

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SaaS

(Software as a service) is the most basic form of cloud computing. There is no third-party development or resources for the user, but SaaSapplications can offer powerful tools right from your web browser. Examples: Google Apps.

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DEPLOYMENT MODELS IN CLOUD COMPUTING

• Cloud services can be deployed in different ways, depending on the organizational structure and the provisioning location. Four deployment models are usually distinguished, namely public, private, community and hybrid cloud service usage.

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PUBLIC CLOUD• A "public" cloud infrastructure

is available to the general public and is owned by a third party Cloud Service Provider(CSP).

• This can be the most cost effective deployment model for people as it provides public according to their own need.

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PRIVATE CLOUD • A "private" cloud infrastructure is operated solely for a single organization or agency.

• A common reason for agencies to accept private clouds is their ability to enforce their data security standards and controls.

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COMMUNITY CLOUD • A community cloud is an infrastructure shared by several organizations which supports a specific community.

• When agencies have a common set of requirements and customers, a community cloud enables them to combine assets and share computing resources, data, and capabilities.

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HYBRID CLOUD • Hybrid cloud is a mixture of public, private and community cloud.

• the customer may need both a local server running specific applications and a cloud service that hosts additional applications, files, or databases. In such a situation hybrid cloud

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CONCLUSION

• Cloud solutions are simple to acquire, don’t require long term contracts and are easier to scale up and down as needed. Public and Private Clouds can be deployed together to leverage the best of both. Security Compliance and Monitoring is achievable with careful planning and analysis.

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References

[1] http://www.cloud-competence-center.com/understanding/cloud-computing-deployment-models/

[2] http://www.cloudtweaks.com/2012/07/the-4-primary-cloud-deployment-models/

[3] http://www.thinkvidya.com/a/cloud-computing-future-scope

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