Management Information Systems, 4 th Edition 1 Chapter 7 E-Commerce: The Internet, Intranets, and...
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Transcript of Management Information Systems, 4 th Edition 1 Chapter 7 E-Commerce: The Internet, Intranets, and...
Management Information Systems, 4th Edition
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Chapter 7E-Commerce: The Internet,
Intranets, and Extranets
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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
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What is the Internet? (Cont.)
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How the Internet Works
• Definitions
– Uniform Resource Locator (URL)
– Hypertext Transfer Protocol (HTTP)
– Domain Name
– Hypertext Markup Language (HTML)
– Top Level Domain (TLD)
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How the Internet Works (Cont.)
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• 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
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Internet Domains (Cont.)
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Internet Addressing
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• 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
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Common Internet Applications
• File Transfer
• Newsgroups and Blogs
• Instant Messaging
• Internet Telephoning
• Web Browsers
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The World Wide Web
• Web Software
– HTML and XML
– Web Page Editors
– Java, JavaScript, and ActiveX
– Web-Application-Interfaces
– VRML
– Cookies
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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
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Intranets and Extranets (Cont.)
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Establishing an E-CommerceWeb 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
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• 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-CommerceWeb Site (Cont.)
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• 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-CommerceWeb Site (Cont.)
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• Web portal
– Limited space and design control
• Electronic Storefront
– Cybermall
• Web Hosting Service
• Virtual Web Server
• Subdomain
Establishing an E-CommerceWeb Site (Cont.)
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Establishing an E-CommerceWeb Site (Cont.)
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E-Commerce Practices on the Internet
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Online Annoyances
• Spam
• Pop up Windows
• Adware and Spyware