9.1 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure 9 9 THE INTERNET AND THE NEW INFORMATION NEW INFORMATIONTECHNOLOGYINFRASTRUCTURE Chapter

9.2 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure What is the new information technology (IT) infrastructure for business? Why is connectivity so important in this infrastructure?What is the new information technology (IT) infrastructure for business? Why is connectivity so important in this infrastructure? How does the Internet work? What are its major capabilities?How does the Internet work? What are its major capabilities? How can businesses benefit from using the World Wide Web and Web technology? How can businesses benefit from the Wireless Web?How can businesses benefit from using the World Wide Web and Web technology? How can businesses benefit from the Wireless Web? OBJECTIVES

9.3 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure What are the principal technologies for supporting electronic commerce and electronic business?What are the principal technologies for supporting electronic commerce and electronic business? What management problems are raised by the new information technology (IT) infrastructure? How can businesses solve these problems?What management problems are raised by the new information technology (IT) infrastructure? How can businesses solve these problems? OBJECTIVES

9.4 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Taking a broader perspective on infrastructure developmentTaking a broader perspective on infrastructure development Selecting technologies for the new information technology (IT) infrastructureSelecting technologies for the new information technology (IT) infrastructure MANAGEMENT CHALLENGES

9.5 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM Enterprise Networking Arrangement of organization’s hardware, software, network, and data resources to Creates a company-wide network linking many smaller networksArrangement of organization’s hardware, software, network, and data resources to Creates a company-wide network linking many smaller networksInternetworking The use of linking devices such as gateways, bridges & routers to connect network systems of same or varied configurationsThe use of linking devices such as gateways, bridges & routers to connect network systems of same or varied configurations Enterprise Networking and Internetworking

9.6 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.7 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Connectivity Measures how well computers and computer-based devices communicateMeasures how well computers and computer-based devices communicate Open System Software systems that operate on different hardware platformsSoftware systems that operate on different hardware platforms Standards and Connectivity for Digital Integration THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.8 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Models of Connectivity for Networks Transmission Control Protocol/Internet Protocol (TCP/IP)Transmission Control Protocol/Internet Protocol (TCP/IP) A collection of Internet communication protocols between two computers. The TCP protocol is responsible for an error free connection between two computers, while the IP protocol is responsible for the data packets sent over the network. Open Systems Interconnect (OSI)Open Systems Interconnect (OSI) Standards and Connectivity for Digital Integration THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.9 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Internet Service Provider (ISP) An Internet service provider offers various technical services that are required to use or operate Internet services, usually in return for a fee.An Internet service provider offers various technical services that are required to use or operate Internet services, usually in return for a fee. What is the Internet? THE NEW INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.10 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.11 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Electronic Mail ( ) This is a system used by computers to send and receive messages over the internet.This is a system used by computers to send and receive messages over the internet. When you send an or someone sends you an , the message will remain on the mail server (your providers computer) until it is downloadedWhen you send an or someone sends you an , the message will remain on the mail server (your providers computer) until it is downloaded Internet Tools for Communication THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.12 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure LISTSERV An electronic mailing list typically used by a broad range of discussion groups. When you subscribe to a listserv, you will receive periodic messages about the topic you have requested.An electronic mailing list typically used by a broad range of discussion groups. When you subscribe to a listserv, you will receive periodic messages about the topic you have requested.Chatting Live, interactive conversations over public networkLive, interactive conversations over public network Internet Tools for Communication THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.13 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Instant messaging Service that allows participants to create their own private chat channelsService that allows participants to create their own private chat channels Internet telephony Two-way voice transmission over the InternetTwo-way voice transmission over the Internet Internet Tools for Communication THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.14 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Telnet An Internet protocol that let you connect your PC as a remote workstation to a host computer anywhere in the world and to use that computer as if you were logged on locally.An Internet protocol that let you connect your PC as a remote workstation to a host computer anywhere in the world and to use that computer as if you were logged on locally. You often have the ability to use all of the software and capability on the host computer, even if it's a huge mainframeYou often have the ability to use all of the software and capability on the host computer, even if it's a huge mainframe File Transfer Protocol (FTP) An Internet protocol or standard which provides the capability to transfer files to and from other computers or hosts. These may be text files or computer programs.An Internet protocol or standard which provides the capability to transfer files to and from other computers or hosts. These may be text files or computer programs. Internet Tools for Communication THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

9.15 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure THE WORLD WIDE WEB Based on a standard hypertext language called hypertext markup language (HTML)Based on a standard hypertext language called hypertext markup language (HTML) Combines text, hypermedia, graphics, and soundCombines text, hypermedia, graphics, and sound Handles all types of digital communicationHandles all types of digital communication Uses graphical user interfaces for easy viewingUses graphical user interfaces for easy viewing Overview

9.16 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Search Engine A software that searches for information and returns sites which provide that information.A software that searches for information and returns sites which provide that information. Examples of search engines are AltaVista, Google...Examples of search engines are AltaVista, Google... Searching for Information on the Web THE WORLD WIDE WEB

9.17 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Firewall Hardware or software placed between an organization’s internal network and external networkHardware or software placed between an organization’s internal network and external network Prevents outsiders from invading private networksPrevents outsiders from invading private networksExtranets Private intranets extended to authorized users outside companyPrivate intranets extended to authorized users outside company Intranets and Extranets THE WORLD WIDE WEB

9.18 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure THE WORLD WIDE WEB

9.19 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure The wireless Web refers to use of the World Wide Web through a wireless device, such as a cellular telephone or personal digital assistant (PDA).The wireless Web refers to use of the World Wide Web through a wireless device, such as a cellular telephone or personal digital assistant (PDA). 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

9.20 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Keyboards and screens of cell phones tiny and awkward to useKeyboards and screens of cell phones tiny and awkward to use Very slow data transfer speedsVery slow data transfer speeds Minimal memory and limited power supplies in Internet-enabled phonesMinimal memory and limited power supplies in Internet-enabled phones Web content primarily in text with very little graphicsWeb content primarily in text with very little graphics Incompatible technologiesIncompatible technologies M-Commerce Challenges THE WORLD WIDE WEB

9.21 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE AND ELECTRONIC BUSINESS Hit Entry into Web server’s log fileEntry into Web server’s log file Generated by each request to the server for a fileGenerated by each request to the server for a file Electronic commerce server software Provides functions essential for runningProvides functions essential for running e-commerce Web sites Web Servers and Electronic Commerce Servers

9.22 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Software to facilitate collection, assembly, and management of content on Web site, intranet, or extranetSoftware to facilitate collection, assembly, and management of content on Web site, intranet, or extranet Web Content Management Tool SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE AND ELECTRONIC BUSINESS

9.23 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Monitors time taken for downloading Web pagesMonitors time taken for downloading Web pages Identifies broken links between Web pages, Web site problems, and bottlenecksIdentifies broken links between Web pages, Web site problems, and bottlenecks Web Site Performance Monitoring Tool SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE AND ELECTRONIC BUSINESS

9.24 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure Company with large Web server computersCompany with large Web server computers Maintain Web sites of fee-paying subscribersMaintain Web sites of fee-paying subscribers Web Hosting Services SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE AND ELECTRONIC BUSINESS

9.25 © 2004 by Prentice Hall Management Information Systems 8/e Chapter 9 The Internet and the New information Technology Infrastructure MANAGEMENT ISSUES AND DECISIONS Loss of management controlLoss of management control Connectivity and application integration challengesConnectivity and application integration challenges Organizational change requirementsOrganizational change requirements Hidden costs of enterprise computingHidden costs of enterprise computing Scalability, reliability, and securityScalability, reliability, and securitydowntime The Challenge of Managing the New Information Technology Infrastructure