chap07 the internet , intranets and extranets
DESCRIPTION
The internet , Intranets and ExtranetsTRANSCRIPT
Management Information Systems, 4th Edition
1
Chapter 7
E-Commerce: The Internet,
Intranets, and Extranets
Management Information Systems, 4th Edition
2
Learning Objectives
• Explain how the Internet functions
• List the features for information exchange that can
be conducted over the World Wide Web
• Explain how the Web facilitates electronic commerce
• Explain basic business models on the Web
Management Information Systems, 4th Edition
3
What is the Internet?
• The Development of the Internet
– ARPANET(1950s) 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, 4th Edition
4
What is the Internet? (Cont.)
Management Information Systems, 4th Edition
5
Management Information Systems, 4th Edition
6
Growth of the Internet (Cont.)
Management Information Systems, 4th Edition
7
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, 4th Edition
8
How the Internet Works (Cont.)
Management Information Systems, 4th Edition
9
• 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
• IP v4 Vs. IPv6 (32bit Vs. 128bit)
Internet Domains
Management Information Systems, 4th Edition
10
Internet Domains (Cont.)
Management Information Systems, 4th Edition
11
• 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, 4th Edition
12
Common Internet Applications
• File Transfer
• Newsgroups and Blogs
• Instant Messaging
• Internet Telephoning
• Web Browsers
Management Information Systems, 4th Edition
13
The World Wide Web
• Web Software
– HTML and XML
– Web Page Editors
– Java, JavaScript, and ActiveX
– Web-Application-Interfaces
– VRML
– Cookies
Management Information Systems, 4th Edition
14
The World Wide Web (Cont.)
Management Information Systems, 4th Edition
15
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, 4th Edition
16
Intranets and Extranets (Cont.)
Management Information Systems, 4th Edition
17
Intranets and Extranets (Cont.)
Management Information Systems, 4th Edition
18
Intranets and Extranets (Cont.)
Management Information Systems, 4th Edition
19
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, 4th Edition
20
• 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, 4th Edition
21
• 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, 4th Edition
22
• 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, 4th Edition
23
Establishing an E-Commerce
Web Site (Cont.)
Management Information Systems, 4th Edition
24
Establishing an E-Commerce
Web Site (Cont.)
Management Information Systems, 4th Edition
25
Business-to-Business Trading
• Electronic Data Interchange
• Exchanges and Auctions
• Online Business Alliances
• Application and Storage Service Providers
Management Information Systems, 4th Edition
26
• Advertising
– Unique visitors per month
– Unique visitor pages
– Reach percentage
– Banners
Business-to-Consumer Trading
Management Information Systems, 4th Edition
27
• E-retailing
– Customer Relationship Management (CRM)
– Consumer Profiling
• Auctions and Reverse Auctions(C2B)
• Content Providers
• Software Sales
• Stock Trading
• Distributed R&D
Business-to-Consumer Trading
(Cont.)
Management Information Systems, 4th Edition
28
Business-to-Consumer Trading
(Cont.)
Management Information Systems, 4th Edition
29
• Target the right customer
• Own the customer’s total experience
• Personalize the service
• Shorten the business cycle
• Let the customers help themselves
• Be proactive
Rules for Successful Online
Business Transactions
Management Information Systems, 4th Edition
30
• Niche Retailing
• Selling Hard-to-obtain information
• Click-and-mortar retailing
• Successful Web Page Design
• E-Government
• M-Commerce
Successful Business Models
Management Information Systems, 4th Edition
31
E-Commerce Practices on the
Internet
Management Information Systems, 4th Edition
32
E-Commerce is Every Commerce
• Web technologies have been integrated into the
business world
• Information that flows inside an organization
actually uses the Internet segments of intranets
• Businesses not yet on the Internet will eventually
be there
Management Information Systems, 4th Edition
33
Online Annoyances
• Spam
• Pop up Windows
• Adware and Spyware
Management Information Systems, 4th Edition
34
Summary
• How the Internet functions
• Information exchange over the Internet
• The web facilitates electronic commerce
• Business models on the Web