THE INTERNET AND ITS

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Nov 5, 2013 (3 years and 5 months ago)

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


THE INTERNET AND ITS

INFRASTRUCTURE

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



What is the new information technology (IT)
infrastructure for business? Why is
connectivity so important in this
infrastructure?



How does the Internet work? What are its
major capabilities?


continued


OBJECTIVES

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



How can organizations benefit from using
the World Wide Web and Web technology?
How can businesses benefit from the
Wireless Web?


What are the principal technologies for
supporting electronic commerce and
electronic business?


What management problems are raised by
the new information technology (IT)
infrastructure? How can businesses solve
these problems?

OBJECTIVES (continued)

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


WEB SERVICES TAKING OFF? OR JUST MORE HYPE

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


1.
Taking a broader perspective on
infrastructure development


2.
Selecting technologies for the new
information technology (IT)
infrastructure

MANAGEMENT CHALLENGES

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

Enterprise Networking



Arrangement of organization’s hardware,
software, network, and data resources


Creates a company
-
wide network linking
many smaller networks


Internetworking


Links separate networks into an
interconnected network

Enterprise Networking and Internetworking

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

Enterprise Networking and Internetworking

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Connectivity


A measure of how well computers and computer
-
based devices communicate


Open Systems



Software systems that can operate on different
hardware platforms


Built on nonproprietary operating systems, user
interfaces, application standards, and networking
protocols

Standards and Connectivity for Digital Integration

9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Models of Connectivity for Networks


Transmission Control Protocol/Internet
Protocol (TCP/IP)


US DOD reference model for linking different
types of computers and networks


Used in the Internet


Uses a five
-
layer reference model

Standards and Connectivity for Digital Integration

9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Standards and Connectivity for Digital Integration

9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Models of Connectivity for Networks


Open Systems Interconnection (OSI)


International reference model for linking
different types of computers and networks


An alternative to TCP/IP

Standards and Connectivity for Digital Integration

9.1 THE NEW IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


What is the Internet?

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

Internet Service Provider (ISP)



Commercial organization with a
permanent connection to Internet



Sells temporary connections to
subscribers

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Information Appliance



Device customized to perform few
specialized computing tasks with minimal
user effort

Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

Communication on the Internet



Electronic Mail (E
-
Mail)


Connects people worldwide


Creates productivity gain

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

Communication on the Internet



Electronic Mail (E
-
Mail)


Domain name


Identifies a unique node on the Internet


IP address


Four
-
byte numeric address


Domain Name System (DNS)


Hierarchical system of servers maintaining
databases enabling conversion of domain
names to their IP addresses

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Technology and Services

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Tools for Communication


Usenet Newsgroups


Forums on which people share
information and ideas on a defined topic


Large electronic bulletin boards


LISTSERV


Online groups using e
-
mail broadcast
from mailing list servers

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Tools for Communication


Chatting


Live, interactive conversations over a
public network


Instant Messaging


Chat service that allows participants to
create their own private chat channels


Can be alerted whenever someone on a
private list is online

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet Tools for Communication


Telnet


Network tool that allows someone to log onto
one computer system while doing work on
another


Internet Telephony


Two
-
way voice transmission over the Internet
using the IP packet
-
switched connections


Voice over IP (VoIP)


Virtual Private Networks (VPN)


Secure connection between two points on the
Internet to transmit data

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


File Transfer Protocol (FTP)



Tool for retrieving and transferring files
from a remote computer

Information Retrieval and Sharing on the Internet

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Internet2


Research network with new protocols
and transmission speeds


Provides an infrastructure for
supporting high bandwidth Internet
applications

Next Generation Networks and Internet2

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Next Generation Networks and Internet2

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


CA*net3


Canadian equivalent of Internet2


Designed to carry high
-
speed transmission
over a government
-
funded backbone
through Canada

Next Generation Networks and Internet2

9.2 THE INTERNET: IT INFRASTRUCTURE FOR THE DIGITAL FIRM

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.3 THE WORLD WIDE WEB


Home Page


A World Wide Web text and graphical
screen display that welcomes the user


Webmaster


The person in charge of an organization’s
Web site


Uniform Resource Locator (URL)


The address of a specific resource on the
Internet

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.3 THE WORLD WIDE WEB


Hypertext

Transport Protocol (HTTP)


Communications standard used to
transfer pages on the Web


Defines how messages are formatted and
transmitted

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Search Engine


Locates specific sites or information on
Internet


Shopping Bot


Software with varying levels of built
-
in
intelligence


Helps electronic commerce shoppers
locate and evaluate products or services

Searching for Information on the Web

9.3 THE WORLD WIDE WEB

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Searching for Information on the Web

9.3 THE WORLD WIDE WEB

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Broadcast and Push Technology



“Push” Technology


Information broadcast directly to user based on
prespecified interests



Multicasting


Transmission of data to a selected group of
recipients

Searching for Information on the Web

9.3 THE WORLD WIDE WEB

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Intranet Technology


Firewall


Hardware or software placed between an
organization’s internal network and external
network


Prevents outsiders from invading private
networks

Extranets


Private intranets extended to authorized
users outside company


Intranets and Extranets

9.3 THE WORLD WIDE WEB

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Intranets and Extranets

9.3 THE WORLD WIDE WEB

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web



Technologies enabling users to access
digital information from the Internet using
wireless mobile computing devices


The Wireless Web

9.3 THE WORLD WIDE WEB

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web

9.3 THE WORLD WIDE WEB

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web

9.3 THE WORLD WIDE WEB


Wireless Web Standards


Wireless Application Protocol (WAP)


Lets cell phones and other wireless devices
with small displays access Web
-
based
services


Wireless Markup Language (WML)


Based on XML and optimized for tiny displays


Microbrowser


Web browser with low
-
memory constraints


I
-
mode


Standard developed by Japan’s NTT DoCoMo


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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web

9.3 THE WORLD WIDE WEB

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web

9.3 THE WORLD WIDE WEB

M
-
Commerce Challenges


Keyboards and screens of cell phones
tiny and awkward to use


Very slow data transfer speeds


Minimal memory and limited power
supplies in Internet
-
enabled phones


Web content primarily in text with very
little graphics


Incompatible technologies


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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


The Wireless Web

9.3 THE WORLD WIDE WEB

Voice Portals



Accept voice commands for accessing
information from the web

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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


Setting up catalogues


Mechanisms for processing purchases

Web Servers and Electronic Commerce Servers

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



Collecting and storing data and combining
data with already stored data



Analyzing the data



Identifying customer preferences and
trends

Customer Tracking and Personalization Tools

9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



Clickstream Tracking


Tracking data about customer activities
at Web sites and storing them in a log


Collaborative Filtering


Track users’ movements on a Web site


Compare the information against other
customers’ data


Predict what the user would like to see
next

Customer Tracking and Personalization Tools

9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


Software to facilitate collection, assembly, and
management of content on Web site, intranet, or
extranet



Dynamic Page Generation


Technology for storing the contents of Web pages
as objects in a database where they can be
accessed and assembled to create constantly
changing Web pages


Common Gateway Interface (CGI)


A standard way for a Web server to pass a user’s
request to an application and to receive data to be
forwarded to the user

Web Content Management Tools

9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



Software Tools for:



Monitoring time taken to download Web
pages and perform Web transactions


Identifying broken links between Web
pages, Web site problems, and
bottlenecks

Web Site Performance Monitoring Tool

9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



Company with large Web server computers



Maintain Web sites for fee
-
paying
subscribers

Web Hosting Services

9.4 SUPPORT TECHNOLOGY FOR E
-
COMMERCE AND E
-
BUSINESS

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©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


9.5 MANAGEMENT ISSUES AND DECISIONS


Loss of management control


Connectivity and application integration
challenges


Organizational change requirements


Hidden costs of enterprise computing


Scalability, reliability, and security


Downtime

The Challenge of Managing the New IT Infrastructure

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2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure



Change management



Education and training



Data administration disciplines



Planning for connectivity and application
integration

Some Solutions

9.5 MANAGEMENT ISSUES AND DECISIONS

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Copyright

©

2005 Pearson Education Canada Inc.

Management Information Systems,
Second Canadian Edition

Chapter 9: The Internet and Its Infrastructure


THE INTERNET AND ITS

INFRASTRUCTURE