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

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

3. Cloud computing CS1503

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

5. 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

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

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

8. 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

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

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

11. 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

12. Problems? Security Privacy Reliability CS15012

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