Chapter%207%20E-Commerce:%20The%20Internet,%20Intranets,%20and%20Extranets

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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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Internet Domains

• 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

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Internet Domains (Cont.)
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Internet Addressing
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Static and Dynamic IP Numbers

• 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

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Common Internet Applications

• Email
• 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
• Installing their own server
• Contracting with an ISP
• Contracting with a Web portal
• Establishing an electronic storefront
• Contracting with a Web hosting service
• Using a virtual Web server
• Setting up a subdomain

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Establishing an E-CommerceWeb Site (Cont.)

• 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

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Establishing an E-CommerceWeb Site (Cont.)

• 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

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Establishing an E-CommerceWeb Site (Cont.)

• Web portal
• Limited space and design control
• Electronic Storefront
• Cybermall
• Web Hosting Service
• Virtual Web Server
• Subdomain

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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