Chapter 9. The Internet: Information Technology Infrastructure for the Digital Firm. Essentials of Management Information Systems
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1 Chapter 9 The Internet: Information Technology Infrastructure for the Digital Firm 9.1 Prentice Hall
2 Objectives 1. How does the Internet work? What are its major capabilities and benefits to business? 2. What is the World Wide Web? How can organizations benefit from using the Web and Web technology? 3. What wireless technologies can be used for accessing the Web? What are the principal Wireless Web applications? 9.2 Prentice Hall
3 Objectives 4. What are the principal technologies for supporting electronic commerce and electronic business? 5. What management problems are raised by Internet computing and technologies for digital integration? How can businesses solve these problems? 9.3 Prentice Hall
4 The Internet: Information Technology Infrastructure for E-Commerce and E-Business What is the Internet? Perhaps the most well-known and the largest implementation of internetworking, linking hundreds of thousands of individual networks all over the world 9.4 Prentice Hall
5 The Internet: Information Technology Infrastructure for E-Commerce and E-Business What is the Internet? Internet Service Provider (ISP) Commercial organization with a permanent connection to Internet Sells temporary connections to subscribers 9.5 Prentice Hall
6 The Internet: Information Technology Infrastructure for E-Commerce and E-Business What is the Internet? Information Appliance Device customized to perform few specialized computing tasks with minimal user effort 9.6 Prentice Hall
7 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Client/server computing on the Internet Figure Prentice Hall
8 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet Electronic Mail ( ): Person to person messaging; document sharing Social Networks: Sharing and interaction Newsgroups: Discussion groups on electronic bulletin boards 9.8 Prentice Hall
9 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet Chatting: Live, interactive conversations over a public network Instant Messaging: Chat service that allows participants to create their own private chat channels 9.9 Prentice Hall
10 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet World Wide Web: Retrieve, format, and display information using hypertext links Telnet: Logging on to one computer system and doing work on another FTP: Transferring files from computer to computer 9.10 Prentice Hall
11 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet Components of an Internet Address Domain Name: The name identifying a unique node on the Internet Internet Protocol (IP) Address: Four-part numeric address including a unique computer location on the Internet Domain Name System (DNS): A hierarchical system of servers maintaining databases enabling the conversion of domain names to their IP addresses 9.11 Prentice Hall
12 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Analysis of an Internet address 9.12 Prentice Hall
13 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet Internet Telephony: Technologies that use the Internet Protocol s packet-switched connections for voice service Voice over IP (VoIP): Facilities for managing the delivery of voice information using the Internet Protocol (IP) 9.13 Prentice Hall
14 The Internet: Information Technology Infrastructure for E-Commerce and E-Business How IP telephony works Figure Prentice Hall
15 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Communication on the Internet Virtual Private Network (VPN): A secure connection between two points across a public network to transmit corporate data. Provides a low-cost alternative to a private network Prentice Hall
16 The Internet: Information Technology Infrastructure for E-Commerce and E-Business A virtual private network (VPN) using the Internet Figure Prentice Hall
17 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Window on Management IP Virtual Private Networks Provide New Services and Savings What are the management benefits of using VPNs? How do VPNs provide value for the organization? What management, organization, and technology issues should be addressed when deciding to use an Internet-based VPN? 9.17 Prentice Hall
18 The Internet: Information Technology Infrastructure for E-Commerce and E-Business Next-Generation Networks and Internet2 Internet2 and Next Generation Networks Research networks with new protocols and transmission speeds Provide infrastructures for supporting high bandwidth Internet applications 9.18 Prentice Hall
19 The World Wide Web Overview Based on a standard hypertext language called hypertext markup language (HTML) Combines text, hypermedia, graphics, and sound Handles all types of digital communication Uses graphical user interfaces for easy viewing 9.19 Prentice Hall
20 The World Wide Web Overview Hypertext Transport Protocol: The communications standard used to transfer pages on the Web. Defines how messages are formatted and transmitted. Uniform Resource Locator (URL): The address of a specific resource on the Internet Prentice Hall
21 The World Wide Web Overview Home Page: A World Wide Web text and graphical screen display that welcomes the user and explains the organization that has established the page Webserver: software for locating and managing stored Web pages 9.21 Prentice Hall
22 The World Wide Web Searching for Information on the Web Search Engine: A tool for locating specific sites or information on Internet Search-based Advertising: Payment to a search service to display a sponsored link to a company s Web site as a way of advertising that company Shopping Bot: Software with varying levels of built-in intelligence to help electronic commerce shoppers locate and evaluate products or services 9.22 Prentice Hall
23 How a Search Engine Works 9.23 Prentice Hall
24 The World Wide Web Searching for Information on the Web Push technology: Method of obtaining relevant information on networks by having a computer broadcast directly to the user based on prespecified interests Multicasting: Transmission of data to a selected group of recipients 9.24 Prentice Hall
25 The Web 2.0 What is the Social Web? Enables people to collaborate, share information, and create new services and content online Web 2.0 technologies: cloud computing, software mashups, blogs, RSS, wikis, and social networks 9.25 Prentice Hall
26 The Wireless Revolution Wireless computer networks and Internet access Bluetooth (802.15) Links up to 8 devices in 10-m area using low-power, radio-based communication Useful for personal networking (PANs) Wi-Fi (802.11) Set of standards: a, b, g, n Used for wireless LAN and wireless Internet access Use access points: device with radio receiver/transmitter for connecting wireless devices to a wired LAN 9.26 Prentice Hall
27 The Wireless Revolution Mobile laptop computers equipped with wireless network interface cards link to the wired LAN by communicating with the access point. The access point uses radio waves to transmit network signals from the wired network to the client adapters, which convert them into data that the mobile device can understand. The client adapter then transmits the data from the mobile device back to the access point, which forward the data to the wired network. An Wireless LAN Figure Prentice Hall
28 Support Technology for Electronic Commerce and Electronic Business Web Servers and Electronic Commerce Servers Hit: Entry into Web server s log file generated by each request to the server for a file Electronic commerce server software: Provides functions essential for running e- commerce Web sites 9.28 Prentice Hall
29 Support Technology for Electronic Commerce and Electronic Business Customer Tracking and Personalization Tools Collecting and storing data on the behavior of online customers, and combining that data with data already stored in the company s back office systems (Collaborative Filtering) Analyzing the data to better understand the behavior of online customers Identifying customer preferences and trends 9.29 Prentice Hall
30 Support Technology for Electronic Commerce and Electronic Business Website visitor tracking Figure Prentice Hall
31 Support Technology for Electronic Commerce and Electronic Business Web Content Management Tools Software to facilitate the collection, assembly, and management of content on Web site, intranet, or extranet 9.31 Prentice Hall
32 Support Technology for Electronic Commerce and Electronic Business Web Site Performance Monitoring Tools Software tools for monitoring the time to download Web pages, perform Web transactions, identify broken links between Web pages, and pinpoint other Web site problems and bottlenecks 9.32 Prentice Hall
33 Support Technology for Electronic Commerce and Electronic Business Web Hosting Services Company with large Web server computers to maintain Web sites of fee-paying subscribers 9.33 Prentice Hall
34 Management Issues and Decisions The Challenge of Managing Internet Computing and Digital Integration Loss of management control Connectivity and application integration challenges Organizational change requirements Hidden costs Scalability, reliability, and security 9.34 Prentice Hall
35 Management Issues and Decisions Some Solutions Managing the change Education and training Data administration disciplines Planning for connectivity and application integration 9.35 Prentice Hall
36 Chapter 9 Case Study Can Worldspan Fly with Online Travel? 1. Evaluate Worldspan using the value chain and competitive forces models. 2. What is the relationship of information systems to Worldspan s business model? Why did Worldspan have to change its business model? 9.36 Prentice Hall
37 Chapter 9 Case Study Can Worldspan Fly with Online Travel? 3. How did information systems and technology support Worldspan s new business model? What is the role of the Internet? 4. Do you think Worldspan s strategy has been successful? Why or why not? 5. Do you believe Worldspan will be successful in the future? Explain your answer Prentice Hall
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