CLOUD COMPUTING When it's smarter to rent than to buy.. Presented by D.Datta Sai Babu 4 th Information Technology Tenali Engineering College.

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Presentation transcript:

CLOUD COMPUTING When it's smarter to rent than to buy.. Presented by D.Datta Sai Babu 4 th Information Technology Tenali Engineering College

What is Cloud Computing?. An environment created in a user’s machine from an on-line application stored on the cloud and run through a web browser. In simple Cloud computing is using the internet to access someone else's software running on someone else's hardware in someone else's data center.

Cloud Computing Services ► ► Software as a Service (SaaS)-End Users ► ► Platform as a Service (PaaS)-Application Developers ► ► Infrastructure as a Service (IaaS)-Network Architects

The NEW “Cloud Pyramid”

Software as a Service-End Users ► ► Just run it for me! ► ► also known as On-demand Service. ► ► is an application that can be accessed from anywhere on the world as long as you can have an computer with an Internet Connection. ► ► We can access this cloud hosted application without any additional hardware or software. ► ► E.g. : G-mail, Yahoo mail, Hotmail etc.., ► ► Also they can provide security features such as SSL encryption, a cryptographic protocol.

Application provided by Cloud Computing – Google Cloud

Platform as a Service (PaaS)- Application Developers ► ► Give us nice API (Application Programming Interface) and take care of the implementation. ► ► In the PaaS model, cloud providers deliver a computing platform and/or solution stack typically including operating system, programming language execution environment, database, and web server. ► ► is a platform for developers to write and create their own SaaS i.e. applications. ► ► which means rapid development at low cost. ► ► E.g.: Salesforce.com, Windows Azure etc.

Infrastructure as a Service (IaaS)- Network Architect ► ► also known as hardware as a service. ► ► is a computing power that you can rent for a limited period of time. ► ► allows existing applications to be run on a cloud suppliers hardware. ► ► cloud providers offer computers – as physical or more often as virtual machines – raw (block) storage, firewalls, load balancers, and networks

Cloud Architecture

Modes of Clouds Public Cloud ► ► Computing infrastructure is hosted by cloud vendor at the vendors premises. ► ► and can be shared by various organizations. ► ► E.g. : Amazon, Google, Microsoft, Sales force Private Cloud ► ► The computing infrastructure is dedicated to a particular organization and not shared with other organizations. ► ► more expensive and more secure when compare to public cloud. ► ► E.g. : HP data center, IBM, Sun, Oracle, 3tera Hybrid Cloud ► ► Organizations may host critical applications on private clouds. ► ► where as relatively less security concerns on public cloud. ► ► usage of both public and private together is called hybrid cloud.

Cloud Operating Systems ► ► Eye OS ► ► Amoeba OS ► ► Glide OS ► ► Start force ► ► myGoya ► ► CorneliOS ► ► Lucid Desktop ► ► Cloudo, Ghost, Zimdesk, Start force etc.,

Some other Applications are: Audio Player Ever note Viewer Video Player Media Player Flash Player Google Document Viewer Messenger Sticky Note Web Browser Lite

Distributed vs. Grid vs. Cloud

Is Cloud Computing reduces E-Waste?. ► ► Green IT Cloud Computing ► ► Cloud Computing is Eco-Friendly. ► ► We can reduce E-waste by using Cloud Computing i.e. by Infrastructure as a Service (IaaS). ► ► Cloud Computing Helps to Accelerate Green IT ► ► Can reduce Global Warming too..

Disadvantages of Cloud Computing ► ► Cloud computing is impossible if you cannot connect to the Internet. ► ► Since you use the Internet to connect to both your applications and documents, if you do not have an Internet connection you cannot access anything, even your own documents. ► ► A dead Internet connection means no work and in areas where Internet connections are few or inherently unreliable, this could be a deal-breaker. ► ► When you are offline, cloud computing simply does not work.

Commercial Clouds

CONCLUSION

Queries?.. Thanking You