Presentation of cloud computing
- 1. CLOUD COMPUTING 1 Md.Shamim Hossain ID: 153015013 Green University of Bangladesh
- 2. Introduction: Cloud computing is where computing resources are accessed from a virtual online cloud rather than a local desktop or organizational data centre. 2
- 3. Contents 3 Definition Objectives Service models Characteristics Economics Layers Types of cloud computing Advantages and Disadvantages Conclusion
- 4. Definition What is Cloud Computing: Cloud Computing is the use of hardware and software to deliver a service over a network With cloud computing, users can access files and use applications from any device that can access the Internet. An example of a Cloud Computing provider is Google's Gmail. 4
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- 6. 6 Service models Software as a service (SaaS) Platform as a service (PaaS) Infrastructure as a service (IaaS)
- 8. Economics 8
- 9. Companies are looking for new ways to: 9 Reduce costs • Pay for only what we use • Reduce hardware investment • Reduce software licenses • Lower labor and IT support costs • Lower outside maintenance cost Faster time to value • Quickly take advantage of latest technologies • Simplify updating and upgrading • Increase speed of deployment • Scale IT resources to meet business needs Increase reliability • Improve system reliability • Improve system availability
- 10. Layers of the cloud Client Application Platform Infrastructure Server 10
- 11. Types of cloud computing: Simplest form Types of cloud computing More complex form 11
- 13. More complex form 1. Web–based office application. Online photo and document sharing Eg: ZOHO Work Online, Live Mesh 2. Branded, Domain-wide web service. Hosted spam filtering Eg: postini, Google apps, Microsoft Office Live Beta 3. Large-scale web-based storage and computing power for building your own application. Eg: Amazon web services, Google app Engine 13
- 14. Advantages and disadvantages 14 • Lower software cost • Improve performance • Fewer maintenance issue • Instant software updates • Increased data safety Advantages • Requires a constant internet connections • Doesn’t not work well in low speed connections • May be slow • Limited features Disadvantages
- 15. Conclusions 15 down by delivering appropriate resources only for the time those resources are needed. Cloud computing has enabled teams and organizations to streamline lengthy procurement processes. Cloud computing increases profitability by improving resource utilization. Costs are driven
- 16. Any Question? 16