TECHNOLOGY GUIDE THREE

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3 Νοε 2013 (πριν από 4 χρόνια και 6 μέρες)

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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