TECHNOLOGY GUIDE 3: Emerging Types of Enterprise Computing 1 Copyright John Wiley & Sons Canada.

TECHNOLOGY GUIDE 3:

Emerging Types of Enterprise Computing

1Copyright John Wiley & Sons Canada

Copyright John Wiley & Sons Canada 2

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

EMERGING TYPES OF ENTERPRISE COMPUTING


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.


TG 3.1 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


TG 3.2 SERVER FARMS

Source: Media Bakery


TG 3.3 VIRTUALIZATION

• Benefits:– generates cost savings in equipment, energy, space in the data

center, cooling, personnel, and maintenance.– enhances an organization’s agility by enabling it to quickly

modify its systems in response to changing demands.– focus shifts from the technology itself to the services that the can

provide.


CASE: MAXIMUMASP VIRTUALIZES ITS DATA CENTER

• MaximumASP is a Web-hosting company based in Louisville, Kentucky. Its 35 employees host more than 48,000 domains for customers located in more than 60 countries. They added hundreds of new servers every year, each of which took roughly four hours to deploy. The company decided to implement Microsoft’s server virtualization technology, and the results have been outstanding in utilizing virtualization to expand its product offerings, enhance its business agility, and improve its customer service, while actually lowering its operating costs.


TG 3.4 GRID COMPUTING

• Benefits:– Enables organizations to utilize computing resources more

efficiently. – Enables applications to run faster.– Provides fault tolerance and redundancy. – Makes it easy to “scale up” and “scale down”.


TG 3.5 UTILITY COMPUTING

• Utility computing (also called subscription computing and on-demand computing): a service provider makes computing resources and infrastructure management available to a customer as needed.

• Benefits: enables companies to efficiently meet fluctuating demands for computing power by lowering the cost of owning hardware infrastructure.


TG 3.6 CLOUD COMPUTING


CLOUD COMPUTING

• Advantages:– it dramatically lowers infrastructure costs– Example: Molson Coors Brewing Company using

Hewlett Packard’s (HP) cloud platform to manage the finance and human resources systems.

• Disadvantages:– privacy, security, and reliability concerns– Example: in April 2011, Amazon’s cloud crashed, taking with it

about 70 different Web sites questioning the reliability of Amazon Web Services and of the cloud itself.

https://www.hpcloud.com/

http://aws.amazon.com/


CLOUD COMPUTING

• Different types of cloud computing services:– Cloud infrastructure – Cloud platform– Cloud software


TG 3.7 EMERGING SOFTWARE TRENDS

• Web services: applications delivered over the Internet that MIS professionals can select and combine through almost any device, from personal computers to mobile phones.

• Service-Oriented Architecture (SOA): IT architecture that makes it possible to construct business applications using Web services.


WEB SERVICES

• Benefits:– utilizes the existing Internet infrastructure without having to

implement any new technologies.– personnel can access remote or local data without having to

understand the complexities of this process.– new applications can be created quickly and easily


WEB SERVICES (CONTINUED)

• Four key protocols:– XML Extensible markup language – SOAP Simple object access protocol – WSDL Web services description language – UDDI Universal description, discovery, and integration


TECHNOLOGY GUIDE CLOSING

1. The IT infrastructure in organizations has evolved in the following stages: standalone mainframe, mainframe and dumb terminals, standalone personal computers, local area networks (client/server computing), eenterprise computing, cloud computing and mobile computing.

2. Server farms are massive data centers, which may contain hundreds or thousands of networked computer servers.


TECHNOLOGY GUIDE CLOSING (CONTINUED)

3. Server virtualization is a technology that typically is used in server farms that divides physical servers into several software-based partitions.

4. Grid computing combines the unused processing resources of many geographically dispersed computers in a network to form a virtual supercomputers providing many benefits to organizations


TECHNOLOGY GUIDE CLOSING (CONTINUED)

5. In utility computing, a service provider makes computing resources and infrastructure management available to a customer as needed.

6. With cloud computing, tasks are performed by computers physically removed from the user and accessed over a network, in particular the Internet.

7. Two emerging technologies are Web services and service-oriented architecture.

CopyrightCopyright © 2014 John Wiley & Sons Canada, Ltd. All rights reserved. Reproduction or translation of this work beyond that permitted by Access Copyright (the Canadian copyright licensing agency) is unlawful. Requests for further information should be addressed to the Permissions Department, John Wiley & Sons Canada, Ltd. The purchaser may make back-up copies for his or her own use only and not for distribution or resale. The author and the publisher assume no responsibility for errors, omissions, or damages caused by the use of these files or programs or from the use of the information contained herein.

Copyright John Wiley & Sons Canada

TECHNOLOGY GUIDE 3: Emerging Types of Enterprise Computing 1 Copyright John Wiley & Sons Canada.

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