The Cloud Or cloud computing… or the end of executive headaches… CS1501.

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Presentation transcript:

The Cloud Or cloud computing… or the end of executive headaches… CS1501

Imagine… You have your own startup company that develops graphics You buy computers and software for your employees… That is not enough! CS1502

Cloud computing CS1503

You are already using it! HotMail, Gmail, Yahoo!Mail Blogger Flickr Facebook? Twitter? MyITLab??? CS1504

So what is really the cloud? It comes in many shapes and sizes… – Just like the clouds in the sky! Common terms: – Software as a Service (SaaS) cloud application services, such as word processing or a spreadsheet. – Platform as a Service (PaaS) allows the user to run applications without the cost and complexity of buying and managing the underlying hardware and software layers. CS1505

Different kinds of clouds Public (or external) cloud Community cloud Hybrid cloud Private (or internal) cloud CS1506

Quiz! Other clouds and cloud apps that you have used? CS1507

How does the cloud work? Two sections: – Front end: client’s computer – Back end: powerful computers that serve From data processing to video games! – They connect through the network CS1508

On the back end (servers) Protocols Middleware allows networked computers to communicate with each other. CS1509

Problems with servers Energy waste Storage – Space – Redundancy! CS15010

Why is the cloud useful? Access application from anywhere anytime Lowers hardware cost – Netbook! Save money and space for businesses Save money on IT support Take advantage of processing power – Grid computing CS15011

Problems? Security Privacy Reliability CS15012

Collaboration in the Cloud Google docs Windows Live SkyDrive Windows Live Apple’s iCloudiCloud Google wave CS15013