TECHNOLOGY GUIDE THREE

Emerging Types of Enterprise Computing

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

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.

LEARNING OBJECTIVES (continued)

6. Define cloud computing, and analyze its advantages and disadvantages.

7. Define and discuss Web services and service-oriented architecture.

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

TG3.2 Server Farms

Source: Media Bakery

TG 3.3 Virtualization Benefits

Cost Savings due to lower number of physical servers

Enhanced Agility

More Service Oriented Focus of IT Department

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”

TG3.6 Cloud Computing

Cloud Computing Services

Cloud infrastructure as a service

Cloud platform as a service

Cloud software as a service

TG3.7 Emerging Software Trends

Web Services

Service-Oriented Architecture