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9.2 2004 by Prentice Hall

Management Information Systems 8/eManagement Information Systems 8/eChapter 9 The Internet and the New information Technology InfrastructureChapter 9 The Internet and the New information Technology Infrastructure

What is the new information technology (IT)What is the new information technology (IT)infrastructure for business? Why isinfrastructure for business? Why isconnectivity so important in thisconnectivity so important in thisinfrastructure?infrastructure?

How does the Internet work? What are itsHow does the Internet work? What are itsmajor capabilities?major capabilities?

How can businesses benefit from using theHow can businesses benefit from using theWorld Wide Web and Web technology? HowWorld Wide Web and Web technology? Howcan businesses benefit from the Wirelesscan businesses benefit from the WirelessWeb?Web?

OBJECTIVES

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What are the principal technologies for What are the principal technologies for supporting electronic commerce andsupporting electronic commerce andelectronic business?electronic business?

What management problems are raised byWhat management problems are raised bythe new information technology (IT)the new information technology (IT)infrastructure? How can businesses solveinfrastructure? How can businesses solve

these problems?these problems?

OBJECTIVES

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Taking a broader perspective onTaking a broader perspective oninfrastructure developmentinfrastructure development

Selecting technologies for the newSelecting technologies for the newinformation technology (IT)information technology (IT)infrastructureinfrastructure

MANAGEMENT CHALLENGES

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THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTUREFOR THE DIGITAL FIRM

Enterprise NetworkingEnterprise Networking

Arrangement of organizations hardware,Arrangement of organizations hardware,software, network, and data resourcessoftware, network, and data resources

Creates a companyCreates a company- -wide network linkingwide network linkingmany smaller networksmany smaller networks

InternetworkingInternetworkingLinks separate networks into anLinks separate networks into aninterconnected networkinterconnected network

Enterprise Networking and Internetworking

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The New Information Technology (IT) Infrastructure

Figure 9 -1


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ConnectivityConnectivity

Measures how well computers andMeasures how well computers andcomputer computer- -based devices communicatebased devices communicate

Open SystemOpen System

Software systemsSoftware systems

Operate on different hardware platformsOperate on different hardware platforms

Standards and Connectivity for Digital Integration


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Models of Connectivity for NetworksModels of Connectivity for Networks

Transmission ControlTransmission ControlProtocol/Internet Protocol (TCP/IP)Protocol/Internet Protocol (TCP/IP)

Open Systems Interconnect (OSI)Open Systems Interconnect (OSI)

Standards and Connectivity for Digital Integration


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(TCP/IP) Reference Model

Figure 9 -2


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Internet Service Provider (ISP)Internet Service Provider (ISP)

Commercial organization with a permanentCommercial organization with a permanentconnection to Internetconnection to Internet

Sells temporary connections toSells temporary connections tosubscriberssubscribers

What is the Internet?


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Information applianceInformation appliance

Device customized to perform fewDevice customized to perform fewspecialized computing tasks with minimalspecialized computing tasks with minimaluser effortuser effort

Internet Technology and Services

THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTUREFOR THE DIGITAL FIRM

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Client/Server Computing on the Internet

Figure 9 -3


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Electronic Mail (EElectronic Mail (E- -Mail)Mail)

Connects people worldwideConnects people worldwide

Creates productivity gainCreates productivity gain

Usenet NewsgroupsUsenet Newsgroups

OnOn--line discussion groups using electronicline discussion groups using electronicbulletin boardsbulletin boards

Internet Tools for Communication


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Analysis of an Internet Address

Figure 9 -4


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LISTSERVLISTSERV

EE--mail broadcast from mailing listmail broadcast from mailing listserversservers

ChattingChattingLive, interactive conversations over Live, interactive conversations over public networkpublic network



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Instant messagingInstant messaging

Service that allows participants toService that allows participants tocreate their own private chat channelscreate their own private chat channels

Internet telephonyInternet telephonyTwoTwo--way voice transmission over theway voice transmission over theInternetInternet



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Figure 9 -5

GATEWAY

SERVERS

GATEWAY

How are you?

( )A B C

How are you?

( )A B C

Fine, thank you!

( )X Y ZFine, thank you!

( )X Y Z

A B C

X

A

Y

B

Z

C

B C A

Y Z X X Y Z


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TelnetTelnetAllows users to log on to oneAllows users to log on to one

computer system while working oncomputer system while working onanother another

File Transfer Protocol (FTP)File Transfer Protocol (FTP)Tool for retrieving and transferringTool for retrieving and transferringfiles from a remote computer files from a remote computer



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THE WORLD WIDE WEB

Based on a standard hypertext languageBased on a standard hypertext languagecalled hypertext markup language (HTML)called hypertext markup language (HTML)

Combines text, hypermedia, graphics, andCombines text, hypermedia, graphics, andsoundsound

Handles all types of digital communicationHandles all types of digital communication

Uses graphical user interfaces for easyUses graphical user interfaces for easyviewingviewing

Overview

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Search EngineSearch Engine

Locates specific sites or information onLocates specific sites or information onInternetInternet

Shopping BotShopping Bot

Software with varying levels of builtSoftware with varying levels of built- -ininintelligenceintelligence

Helps electronic commerce shoppersHelps electronic commerce shopperslocate and evaluate products or serviceslocate and evaluate products or services

Searching for Information on the Web

THE WORLD WIDE WEB

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Push technology Push technology

Information broadcast directly to user Information broadcast directly to user based on prebased on pre- -specified interestsspecified interests

MulticastingMulticasting

Transmission of data to a selected groupTransmission of data to a selected groupof recipientsof recipients

Searching for Information on the Web

THE WORLD WIDE WEB

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FirewallFirewall

Hardware or software placed between anHardware or software placed between anorganizations internal network andorganizations internal network andexternal networkexternal networkPrevents outsiders from invading privatePrevents outsiders from invading privatenetworksnetworks

ExtranetsExtranetsPrivate intranets extended to authorizedPrivate intranets extended to authorizedusers outside companyusers outside company

Intranets and Extranets

THE WORLD WIDE WEB

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Model of an Extranet

Figure 9 -6

THE WORLD WIDE WEB

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WebWeb--based applicationsbased applications

Enables users to access digital informationEnables users to access digital information

from the Internetfrom the Internet

Wireless Web Standards:Wireless Web Standards: Wireless Application Protocol (WAP) WML (Wireless Markup Language)

Microbrowser I-mode M-Commerce Challenges Voice portals

The Wireless Web

THE WORLD WIDE WEB

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Figure 9 -7

THE WORLD WIDE WEB

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WAP Versus I-Mode

Figure 9 -8

THE WORLD WIDE WEB

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K eyboards and screens of cell phones tinyK eyboards and screens of cell phones tinyand awkward to useand awkward to use

Very slow data transfer speedsVery slow data transfer speedsMinimal memory and limited power Minimal memory and limited power supplies in Internetsupplies in Internet- -enabled phonesenabled phones

Web content primarily in text with very littleWeb content primarily in text with very littlegraphicsgraphics

Incompatible technologiesIncompatible technologies

M-Commerce Challenges

THE WORLD WIDE WEB

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SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE ANDELECTRONIC BUSINESS

HitHit

Entry into Web servers log fileEntry into Web servers log file

Generated by each request to the server Generated by each request to the server for a filefor a file

Electronic commerce server softwareElectronic commerce server softwareProvides functions essential for runningProvides functions essential for runningee--commerce Web sitescommerce Web sites

Web Servers and Electronic Commerce Servers

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Collecting and storing dataCollecting and storing data

Combining data with already stored dataCombining data with already stored data

Analyzing the dataAnalyzing the data

Identifying customer preferences andIdentifying customer preferences andtrendstrends

Customer Tracking and Personalization Tools


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Monitors time taken for downloading WebMonitors time taken for downloading Webpagespages

Identifies broken links between Web pages,Identifies broken links between Web pages,Web site problems, and bottlenecksWeb site problems, and bottlenecks

Web Site Performance Monitoring Tool


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Company with large Web server computersCompany with large Web server computers

Maintain Web sites of feeMaintain Web sites of fee- -payingpayingsubscriberssubscribers

Web Hosting Services


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MANAGEMENT ISSUES AND DECISIONS

Loss of management controlLoss of management control

Connectivity and application integrationConnectivity and application integrationchallengeschallenges

Organizational change requirementsOrganizational change requirements

Hidden costs of enterprise computingHidden costs of enterprise computing

Scalability, reliability, and securityScalability, reliability, and securitydowntimedowntime

The Challenge of Managing the New Information Technology Infrastructure

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Change managementChange management

Education and trainingEducation and training

Data administration disciplinesData administration disciplines

Planning for connectivity and applicationPlanning for connectivity and applicationintegrationintegration

Some Solutions

MANAGEMENT ISSUES AND DECISIONS

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Management Information Systems 8/eManagement Information Systems 8/eChapter 9 The Internet and the New information Technology InfrastructureChapter 9 The Internet and the New information Technology Infrastructure99

THE INTERNET AND THETHE INTERNET AND THE

NEW INFORMATIONNEW INFORMATION

TECHNOLOGYTECHNOLOGY

INFRASTRUCTUREINFRASTRUCTURE

Chapter

MIS8Ch09

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