Management Information Systems, 4 th Edition 1 Chapter 7 E-Commerce: The Internet, Intranets, and Extranets.

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Presentation transcript:

Management Information Systems, 4 th Edition 1 Chapter 7 E-Commerce: The Internet, Intranets, and Extranets

Management Information Systems, 4 th Edition 2 What is the Internet? The Development of the Internet –ARPANET  was open system designed for the free flow of information, but available only to members of academic institutions and some in the defense industry. –U.S. government decided to split the network into a civilian one and a military one Civilian network became the Internet –Internet is now a network of networks

Management Information Systems, 4 th Edition 3 What is the Internet? (Cont.)

Management Information Systems, 4 th Edition 4 How the Internet Works Definitions –Uniform Resource Locator (URL) –Hypertext Transfer Protocol (HTTP) –Domain Name –Hypertext Markup Language (HTML) –Top Level Domain (TLD)

Management Information Systems, 4 th Edition 5 How the Internet Works (Cont.)

Management Information Systems, 4 th Edition 6 IP Number Domain Naming System (DNS) A domain name is assigned to each IP address Domain names are registered by one of a group of companies authorized to assign unique names Internet Domains

Management Information Systems, 4 th Edition 7 Internet Domains (Cont.)

Management Information Systems, 4 th Edition 8 Internet Addressing

Management Information Systems, 4 th Edition 9 Static: –Servers and many other computers and devices are assigned a permanent IP number Dynamic: –A computer connected to the Internet intermittently may be assigned a temporary IP number for the duration of its connection only Static and Dynamic IP Numbers

Management Information Systems, 4 th Edition 10 Common Internet Applications File Transfer Newsgroups and Blogs Instant Messaging Internet Telephoning Web Browsers

Management Information Systems, 4 th Edition 11 The World Wide Web Web Software –HTML and XML –Web Page Editors –Java, JavaScript, and ActiveX –Web-Application-Interfaces –VRML –Cookies

Management Information Systems, 4 th Edition 12 Intranets and Extranets –Intranet A within-organization computer network that uses Internet technologies to communicate –Extranet Uses Internet technologies to facilitate communication and trade between an organization and its business partners, such as suppliers

Management Information Systems, 4 th Edition 13 Intranets and Extranets (Cont.)

Management Information Systems, 4 th Edition 14 Establishing an E-Commerce Web Site Several Options 1.Installing their own server 2.Contracting with an ISP 3.Contracting with a Web portal 4.Establishing an electronic storefront 5.Contracting with a Web hosting service 6.Using a virtual Web server 7.Setting up a subdomain

Management Information Systems, 4 th Edition 15 Dedicated Server –Expensive option with the greatest degree of control –Requires expertise –Specialists needed maintain the server Load balancing transfers visitor inquiries from a busy server to a less busy server Establishing an E-Commerce Web Site (Cont.)

Management Information Systems, 4 th Edition 16 ISP Site –Low-fee or free space for individual or business Web sites. –Many small businesses avoid this option –Can give the appearance that such online businesses are ephemeral Establishing an E-Commerce Web Site (Cont.)

Management Information Systems, 4 th Edition 17 Web portal –Limited space and design control Electronic Storefront –Cybermall Web Hosting Service Virtual Web Server Subdomain Establishing an E-Commerce Web Site (Cont.)

Management Information Systems, 4 th Edition 18 Establishing an E-Commerce Web Site (Cont.)

Management Information Systems, 4 th Edition 19 E-Commerce Practices on the Internet

Management Information Systems, 4 th Edition 20 Online Annoyances Spam Pop up Windows Adware and Spyware