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By:-Sushant Joshi

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Young Nature of Technologyy In June 2009, a study conducted by VersionOne found

that 41% of senior IT professionals actually don't know

what cloud computing is and two-thirds of seniorfinance professionals are confused by the concept.

y In Sept 2009, an Aberdeen Group study found thatdisciplined companies achieved on average an 18%

reduction in their IT budget from cloud computingand a 16% reduction in data center power costsconfused by the concept.

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Cloud computingy Internet-based computing

y Shared resources, software, and information provided

to computersy On demand, like the electricity grid.

y Cloud computing is a general term for anything thatinvolves delivering hosted services over the Internet

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Cloud Servicesy Services are broadly divided into three categories:

1. Infrastructure-as-a-Service (IaaS)

2. Platform-as-a-Service (PaaS)3. Software-as-a-Service (SaaS)

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1.Infrastructure-as-a-Service (IaaS)

y Provides virtual server instances with unique IPaddresses and blocks of storage on demand.

y (API) to start, stop, access and configure

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2.Platform-as-a-Service (PaaS)

y Platform-as-a-service in the cloud is defined as a set ofsoftware and product development tools hosted on the

provider's infrastructure.

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3.Software-as-a-Service (SaaS)

y SaaS is a very broad market. Services can be anythingfrom Web-based email to inventory control and

database processing.

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What does a Shift Towards Cloud

Computing Mean?yWould affect software companies, internet service

providers.

y How companies in the internet and hardwaremanufacturing will be affected is slightly moredifficult .

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A simple exampley Yahoo email or Gmail etc.

y You don't need a software or a server to use them

y Just an internet connection and you can start sendingemails

y 'If you only need milk , would you buy a cow ?'

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Cloud Computing Architecturey Front End- Client & the application required to access

y Back End- Server, Data Storage

y The front end and the back end connected byInternet.

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Why Cloud ComputingyAccess from any time, from anywhere

y Hardware costs down.

y Company-wide access to computer applicationsy Servers and digital storage devices take up space

y Corporations might save money on IT support

yAdvantage of the entire network's processing power.

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Comparison between Traditional

and Cloud Computing

Traditional versus cloud-based development and test environmentsCapabilities

From Traditional To Cloud-based*

Server and storage utilization 10-20 percent 70-90 percentSelf service None UnlimitedTest provisioning Weeks MinutesChange management Months Days or hoursRelease management Weeks Minutes

Metering or billing Fixed cost model GranularStandardization Complex Self servicePayback period for newservice Years Months

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Cloud Computing Productsy Microsofts Azure

y IBMs LotusLive iNotes

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LotusLive Notesy Single point of access to e-mail, calendars, contacts

and more

yHosted e-mail solution for businesses

y Empowers users with a single point of access to people,and resources across the enterprise and the Internet

y Features

y Communicate more productively business decisionsquickly

y Rest easy

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Concerns ofCloud Computingy Security

y Privacy

yAuthenticationyAuthorization

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THANK YOU!!!