1. TECHNOLOGY GUIDE THREE Emerging Types of Enterprise Computing

2. TECHNOLOGY GUIDE OUTLINE TG3.1 Introduction TG3.2 Server Farms TG3.3 Virtualization TG3.4 Grid Computing TG3.5 Utility Computing TG3.6 Cloud Computing TG3.7 Emerging Software Trends

3. LEARNING OBJECTIVES 1. Describe the evolution of IT infrastructure. 2. Describe a server farm. 3. Define virtualization, and discuss its advantages. 4. Define grid computing, and discuss its advantages. 5. Define utility computing, and discuss its advantages.

4. LEARNING OBJECTIVES (continued) 6. Define cloud computing, and analyze its advantages and disadvantages. 7. Define and discuss Web services and service-oriented architecture.

5. TG3.1 Introduction Stages in the evolution of IT infrastructure: Standalone mainframe Mainframe and dumb terminals Standalone personal computers Local area networks (client/server computing) Enterprise computing Cloud computing and mobile computing

6. TG3.2 Server Farms Source: Media Bakery

7. TG 3.3 Virtualization Benefits Cost Savings due to lower number of physical servers Enhanced Agility More Service Oriented Focus of IT Department

8. TG 3.4 Grid Computing Benefits Utilizes computing resources efficiently Enables Applications to run faster Provides Fault tolerance and redundancy Makes it easy to “scale up” or “scale down”

9. TG3.6 Cloud Computing

10. Cloud Computing Services Cloud infrastructure as a service Cloud platform as a service Cloud software as a service

11. TG3.7 Emerging Software Trends Web Services Service-Oriented Architecture