Cloud Computing

2

“The Cloud”

What’s new?

A style of computing where massively scalable (and elastic) IT-related capabilities are provided “as a service” to external customers using Internet technologies.

Acquisition Model: Based on purchasing of services

Business Model: Based on pay for use

Access Model: Over the Internet to ANY device

Technical Model: Scalable, elastic, dynamic, multi-tenant, & sharable

Components of Cloud Services

Components of Cloud ServicesSoftware as a Service (SaaS)

Applications like CRM, Email etc are offered as a “service”

Platform as a Service (PaaS)application development environments offered as a “service”

Infrastructure as a Service (IaaS)entire computing infrastructure is provided as a “service” by the cloud vendor.

Some ways in which

cloud computing

will transform the

business landscape

The creation of a new generation of products and services.

A new lightweight form of real-time partnerships and outsourcing with IT suppliers.

The rise of new industry leaders and IT vendors.

More self-service IT from the business-side.

And many more….

Cloud Computing—Why?Reduce CostAgility—improved time to marketGlobal Scale

Real life examplesAmazon Elastic Compute Cloud (Amazon EC2)

Infrastructure as a ServiceVirtual machine technology—S/W based computersCustomers--Eli Lilly,NewYork Times

Windows Azure Platform(2009)Application Platform as a Service.NET,SQL based application on Azure OSRiskMetrics Group, Aer Lingus,Wipro

Google App EngineApplication Platform as a ServicePhython,Java based applications

ChallengesData Governance—ensuring data safety and

restricted accessMonitoring for performance and latencyReliability—loss due to N/W downtime,lack of

SLAVirtualization security

Way ForwardNIST,US—initiated to promote standardsApps.gov –US Govt’s first cloud computing

project on Sep 2009IBM and European Union launched joint

research Oct 2009Jan 2010 HP and Microsoft announced an

aggrement to invest 250 million US dollars Investment set to surpass $ 13 bn by 2014.

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