Cloud computing in simple


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My seminar about cloud computing.
in My College.

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Cloud computing in simple

  1. 1. Cloud Computing<br />Ahmed Al-bishri<br />
  2. 2. What is Cloud Computing?<br />
  3. 3. What is Cloud Computing?<br />Simple definition<br />Wikipedia : Cloud computing refers to the :<br />provision of computational resources on demand via a computer network.<br />
  4. 4. Cloud Computing<br /><ul><li>A way of computing, via the Internet.
  5. 5. Shares computer resources instead of using software or storage on a local PC.
  6. 6. No need to install documents, software, Operating system.
  7. 7. A physical storage center is no longer needed.
  8. 8. A way to access Applications hosted on the web through your web browser.
  9. 9. Consist of Virtual Platform (OS) , Software and infrastructures.
  10. 10. Only need is High-Speed Internet. </li></li></ul><li>Key Features<br />1- Cost<br /><ul><li>Greatly reduced Cost on purchasing diff kinds of Software , operating system etc.
  11. 11. No need to be purchased for one-time or infrequent computing tasks.
  12. 12. Pricing of any services is compute on usage-based options
  13. 13. Fewer IT skills are required for implementation (in-house) . </li></ul>2- Device<br /><ul><li>Location independence enable to access systems using web browser
  14. 14. Regardless of their location or device they are using (e.g. PC, mobile).
  15. 15. Accessed via the Internet, users can connect from anywhere. </li></ul>3- Security <br /><ul><li>Improve due to a specialized company taking care of the data
  16. 16. Security is greatly increased when data is distributed over a no. of devices & Area </li></li></ul><li>Key Features<br />4- Reliability <br /><ul><li>Utilization and efficiency improvements for systems that are often only 10–20% utilized.
  17. 17. Suitable for Business continuity and disaster recovery.
  18. 18. IT and business managers can at times do little when they are affected.</li></ul>5- Maintenance <br /><ul><li>Applications are easier to maintain, since they don't have to be installed on</li></ul> each user's computer. <br /><ul><li>Easier to support and to improve since the changes reach the clients instantlyYou will be Up to date. </li></li></ul><li>The following sites have been very useful…<br />
  19. 19. Type Of Services<br />
  20. 20. SaaS <br />Software-as-a-Service <br /><ul><li>It's all On Demand
  21. 21. Rich Internet application web sites
  22. 22. Office Productivity </li></ul>• E.g.: Flickr,, Cisco WebEx office, Gmail, IBM <br />
  23. 23. PaaS<br />Virtual Development-platform-as-a-service <br />Database <br />App Servicer <br />Reduce cost of buying & managing S/w & H/w<br />Example : Google App Engine, Microsoft SQL Server Data Services, Engine Yard,’s<br />
  24. 24. IaaS<br />Backbone of Entire system <br />Physical storage space <br /> Processing capabilities <br />Systems Management <br />E.g.: Akamai, Amazon EC2, CohesiveFT, Mosso, Joyent Accelerators <br />
  25. 25. Deployment Models<br />
  26. 26. Benefits<br />Utility Pricing<br />
  27. 27. Benefits<br />Automation<br />
  28. 28. Benefits<br />They own the hardware<br />Affordability<br />They maintain the system<br />They train and support users<br />
  29. 29. Benefits<br />Third-Party Management<br />The user provides space, power, and bandwidth.<br />And they take care of the rest!<br />
  30. 30. Limitations<br />Your data is not directly in your hands, <br /> but in the hands of a third party.<br />Total Dependence on the Internet Connection. <br />If your cloud Host disappears,<br /> where does your information go?<br />
  31. 31. Cloud Challenges<br />Trust, Privacy and Availability<br />Performance, Ownership & Cost Savings<br />Creation and adoption of new software development processes and training<br />Security, Legal and Regulatory issues<br />
  32. 32. Thank You<br />Q & A<br />