1 pertemuan 11 & 12 the internet and the new information technology infrastructure matakuliah:...

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Pertemuan 11 & 12The Internet and the New Information

Technology Infrastructure

Matakuliah : J0454 / Sistem Informasi Manajemen

Tahun : 2006

Versi : 1 / 1

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Learning Outcomes

Pada akhir pertemuan ini, diharapkan mahasiswa

akan mampu :

• Mahasiswa akan dapat menguraikan konsep dan aplikasi Internet C3

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Outline Materi

• The New IT Infrastructure for the Digital Firm• Enterprise Networking and Internetworking• Standards and Connectivity for Digital

Integration • Support Technology for e-Commerce and e-

Business• Customer Tracking and Personalization Tools• Web Content Management Tools

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THE NEW INFORMATION TECHNOLOGY (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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The New Information Technology (IT) Infrastructure

Figure 9-1


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Connectivity

• Measures how well computers and computer-based devices communicate

Open System

• Software systems

• Operate on different hardware platforms

Standards and Connectivity for Digital Integration


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Models of Connectivity for Networks

• Transmission Control Protocol/Internet Protocol (TCP/IP)

• Open Systems Interconnect (OSI)

Standards and Connectivity for Digital Integration


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(TCP/IP) Reference Model

Figure 9-2


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Internet Service Provider (ISP)

• Commercial organization with a permanent connection to Internet

• Sells temporary connections to subscribers

What is the Internet?


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Information appliance

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

Internet Technology and Services

THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTURE FOR THE DIGITAL FIRM

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Client/Server Computing on the Internet

Figure 9-3


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Electronic Mail (E-Mail)

• Connects people worldwide

• Creates productivity gain

Usenet Newsgroups

• On-line discussion groups using electronic bulletin boards

Internet Tools for Communication


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Analysis of an Internet Address

Figure 9-4


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LISTSERV

• E-mail broadcast from mailing list servers

Chatting• Live, interactive conversations over

public network



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Instant messaging• Service that allows participants to create

their own private chat channels

Internet telephony

• Two-way voice transmission over the Internet



16Figure 9-5

GATEWAY

SERVERS

GATEWAY

How are you?

( )A B C

How are you?

( )A B C

Fine, thank you!

( )X Y ZFine, thank you!

( )X Y Z

A B C

X

A

Y

B

Z

C

B C A

Y Z X X Y Z


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Telnet• Allows users to log on to one computer

system while working on another

File Transfer Protocol (FTP)• Tool for retrieving and transferring files

from a remote computer



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Internet2 and Next Generation Networks

• Research networks with new protocols and transmission speeds

• Provide infrastructures for supporting high bandwidth Internet applications

Next Generation Networks and Internet 2

THE INTERNET: INFORMATION TECHNOLOGY (IT) INFRASTRUCTUREFOR THE DIGITAL FIRM

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THE WORLD WIDE WEB

• Based on a standard hypertext language called hypertext markup language (HTML)

• Combines text, hypermedia, graphics, and sound

• Handles all types of digital communication

• Uses graphical user interfaces for easy viewing

Overview

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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

THE WORLD WIDE WEB

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“Push” technology

• Information broadcast directly to user based on pre-specified interests

Multicasting

• Transmission of data to a selected group of recipients

Searching for Information on the Web

THE WORLD WIDE WEB

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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

THE WORLD WIDE WEB

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Model of an Extranet

Figure 9-6

THE WORLD WIDE WEB

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• Web-based applications

• Enables users to access digital information from the Internet

• Wireless Web Standards:– Wireless Application Protocol (WAP)– WML (Wireless Markup Language)– Microbrowser– I-mode– M-Commerce Challenges– Voice portals

The Wireless Web

THE WORLD WIDE WEB

25Figure 9-7

THE WORLD WIDE WEB

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WAP Versus I-Mode

Figure 9-8

THE WORLD WIDE WEB

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• 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

M-Commerce Challenges

THE WORLD WIDE WEB

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SUPPORT TECHNOLOGY FOR ELECTRONIC COMMERECE AND ELECTRONIC 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

Web Servers and Electronic Commerce Servers

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• Collecting and storing data

• Combining data with already stored data

• Analyzing the data

• Identifying customer preferences and trends

Customer Tracking and Personalization Tools


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

Web Content Management Tool


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• Monitors time taken for downloading Web pages

• Identifies broken links between Web pages, Web site problems, and bottlenecks

Web Site Performance Monitoring Tool


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• Company with large Web server computers

• Maintain Web sites of fee-paying subscribers

Web Hosting Services


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MANAGEMENT ISSUES AND DECISIONS

• Loss of management control

• Connectivity and application integration challenges

• Organizational change requirements

• Hidden costs of enterprise computing

• Scalability, reliability, and securitydowntime

The Challenge of Managing the New Information Technology Infrastructure

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• Change management

• Education and training

• Data administration disciplines

• Planning for connectivity and application integration

Some Solutions

MANAGEMENT ISSUES AND DECISIONS

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Sumber Materi PPT

• Laudon, Kenneth C. and Jane P. Laudon (2004). Management Information Systems (8th Edition). Prentice Hall. Bab 9. Official PPT.

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