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Introduction to Information Systems

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Title: Introduction to Information Systems


1
(No Transcript)
2
The Baltimore Sun, Sunday, 30 July 2000
3
The InternetToday and Tomorrow
  • Professor John Sagi
  • Anne Arundel Community College
  • Arnold, Maryland, USA

4
  • Whats the Internet?
  • How Did It Start?
  • Who Owns It?
  • How Does it Work?
  • Who Uses It?
  • eCommerce
  • What are the Issues?
  • Where is the Future?

5
Whats the Internet?
  • A self-regulated network connecting other
    computer networks around the globe.

(Turban et al., 2002)
6
Comparing Two Economies
  • Industrial Economy
  • Steam Engine
  • Railroad enabler
  • Centralized work
  • Farms Factories
  • Knowledge Economy
  • Computer
  • WWW enabler
  • Decentralized work
  • Products Services

Photos Corbis Collection
7
1996 Asian Currency Crisis
  • Network Externalities

8
Average WWW User
  • 6 Sessions per Week
  • 6 Unique sites visited
  • 33 Page Views per Session
  • 202 Page Views per Week
  • 3 Hours Per Week
  • 31 Minutes per Session
  • 56 Seconds per Page

Source Business 2.0 June 13, 2000, Photo Corbis
Collection
9
Internet Uses
  • Telnet Telecommunications Network
  • Usenet User Network
  • FTP File Transfer
  • WWW World wide Web
  • eMail Electronic Mail Service

10
Source Industry Standard, Feb 14, 2000
11
Moores LawSmaller
  • Computer chips are halving in price and doubling
    in power every 18 months.

Power
power time2
Time
12
Metcalfs LawRicher
  • The sum value of a network increases as the
    square of the number of members.

Value
value members2
Members
13
Guilders LawFaster
  • Total bandwidth of communications systems will
    triple every 12 months.

Speed
speed 3 years
Years
14
How Did it Start?
  • Innovation Phase 1961-1974
  • Institutional Phase 1975-1995
  • Commercial Phase 1995 - Present

15
Who Owns the Internet?
16
ISP
ISP
ISP
NAP
NAP
ISP
NAP
ISP
NAP
NSP
ISP
MAE
MAE
17
European ISPs
  • T-Online 8.7M AU, FR, GE, IT, PO, SP, SW
  • Tiscali 7.0M BE, DE, FR, GE, IT, NE, SP,
    SW, UK
  • Wanadoo 5.0M BE, FR, NE, SP, UK
  • AOL Europe 4.6M FR, GE, NE, UK

Industry Standard 14 May 2001
18
How Does it Work?
19
Ethernet Frames
Bytes
4
6
6
2
46-1500
8
Datagram
Preamble
Type
CRC
Destination
Source
IP Datagram encapsulated in Ethernet Frame
20
IP Datagram
21
140.12.113.0
255.255.113.0
255.255.113.1
FF074B128236
FF745932CC1F
255.255.113.12
255.255.113.15
22
SYSTEM COMPONENTS
  • COMPUTERS
  • TERMINALS Input / output devices
  • COMMUNICATIONS CHANNELS
  • PROCESSORS Modems, multiplexers, front-end
    processors
  • COMMUNICATIONS SOFTWARE

23
Internet ISO Reference Model
  • Layer 5 Application
  • Layer 4 Transport
  • Layer 3 Internet or Network
  • Layer 2 Network Interface or Data Link
  • Layer 1 - Physical

TCP
IP
24
PROTOCOL
  • RULES PROCEDURES
  • TO GOVERN TRANSMISSION
  • BETWEEN COMPONENTS
  • IN A NETWORK

25
TCP/IP Protocols
  • Layer 3 - Internet or Network
  • IP Internet Protocol
  • ICMP Internet Control Message Protocol
  • ARP Address Resolution Protocol
  • RARP Reverse ARP

26
TCP/IP Protocols
  • Layer 4 Transport
  • TCP Transmission Control Protocol
  • UDP User Datagram Protocol
  • NVP Network Voice Protocol

27
TCP/IP Protocols
  • Layer 5 Application
  • SMTP Simple Mail Transfer Protocol
  • DNS Domain Name Service
  • FTP File Transfer Protocol
  • TELNET Telecommunications Network

28
FIBER OPTICS
  • SUPER CLEAR GLASS STRANDS
  • FAST, LIGHT, DURABLE
  • TRILLIONS OF BITS PER SECOND, FULL DUPLEX
  • EXPENSIVE, HARDER TO INSTALL
  • OFTEN USED AS BACKBONE OF NETWORKS

29
FIBER OPTICS
  • BACKBONE Fiber optics cable carries light
    signals to distribution nodes, which use copper
    wires to user
  • DENSE WAVE DIVISION MULTIPLEXING (DWDM)
    Next-generation, uses many colors, (up to 160)
    each a channel, increases capacity of a fiber to
    6.4 terabits per second

30
ORBITING SATELLITES
MICROWAVE TRANSMISSION
UPLINK
DOWNLINK
31
INTEGRATED SERVICES DIGITAL NETWORK (ISDN)
  • INTERNATIONAL STANDARD FOR TRANSMITTING VOICE,
    VIDEO, DATA
  • OVER PUBLIC TELEPHONE LINES

32
SPEEDS COST OF MEDIA
33
Who Uses the Internet?
34
PC and Internet Users In UK
(Source UK National Statistics Office)
35
Internet Use In UK
  • 76 Information about Goods and Services, and
    eMail
  • 61 General browsing
  • 38 Purchasing

(Source UK National Statistics Office)
36
Internet Use in the UK
  • 10.7 Million UK households have the Internet 42
  • London and SE 48
  • NE 32
  • Wales 31
  • Northern Ireland 31
  • 55 of UK adults have accessed the Internet at
    one time or another.

37
Internet Use in the UK
  • Household Access
  • Dial-Up 94.7
  • DSL 5.3

38
Internet Use in the UK
  • Free Unlimited Access 30
  • Cost Unlimited Access 35
  • Billed Limited Access 19
  • Other 16

39
Electronic Commerce
40
The UK government has set itself the target of
becoming the best environment in the world to do
eCommerce
  • Source UK National Statistics, Internet
    connectivity, 18 Jul 2002

41
Top 10 Countries
1998
2002
  • US - 37.4
  • Japan - 2.0
  • Germany - 1.7
  • U.K. - 1.4
  • Canada - 1.4
  • Australia - 1.4
  • France - 0.4
  • Italy - 0.4
  • Netherlands - 0.4
  • Sweden - 0.3
  • US - 409.0
  • Germany - 62.8
  • U.K. - 47.6
  • Japan - 28.8
  • France - 28.5
  • Canada - 19.9
  • Italy - 18.1
  • Netherlands - 12.6
  • Sewden - 8.7
  • Spain 8.0

Source Industry Standard, Feb 14, 2000
42
In 2000
  • Online retail sales were 25.8B, 0.8 of total
    sales of 3.2T.
  • Internet advertising was 1.9B, or 4 of all
    advertising.
  • Online airline bookings accounted for 9 of all
    reservation sales.
  • Online stock sales were 18M of the total 60M.

Source Robert. Washington Post, Feb 24, 2001
43
At Christmas, 2000
  • Despite cooling economy bad weather, e-tail
    sales met expectations.
  • Largest Internet retailer, Amazon.com, shipped
    31M items, compared to 20M the previous
    Christmas.
  • Overall e-tail holiday sales doubled to 8.7B
    (WSJ Dec 27, 2000)
  • Winners Amazon, Yahoo, WalMart
  • Losers eToys, Buy.com

Source USA Today, Dec 28, 2000
44
And now
  • Strong business tool
  • American Airlines .10 e-ticket, 12 paper
  • Supports Brick Mortar stores
  • Wal-Mart, Gap, Best Buy, Lands End
  • Shakeouts
  • Furniture.com. MotherNature.com, Pets.com
  • More interactive personal
  • EddieBauer, FAO, 24 hour service
  • Faster and pricier connectivity
  • Mobile, Wireless
  • Globality
  • Yahoo outside US orders up 600, 340M users

Source USA Today, Dec 28, 2000
45
Average Shopper
  • Youngsters - 45 and under
  • Affluent - 50,000 annual household income
  • Male
  • Employed - managers, supervisors
  • Educated - 66 college grads
  • Parents - children under 18
  • Catalog shoppers

Source Direct Marketing Assn, in USA Weekend, 31
Mar 2000
46
Online Buyers
  • Median Age 37 41
  • Household 59k 64k
  • Married 51 58
  • College Grad 56 41
  • Male 69 50

PC Almanac 2000
47
Online Sales
  • Books Computers
  • CDs Books
  • Computers CDs
  • Airline tickets Electronics
  • Videos Toys

PC Almanac 2000
48
National Requirements
  • Telecommunications Infrastructure
  • Customer Access
  • Business Preparedness
  • Regulatory Environment
  • Financial Transactions
  • Acceptable Products
  • Distribution Systems

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Three Models
The Economist, Feb 3, 2001
  • Centralized warehouses, virtual shelves.
  • Same packing handling costs regardless of
    productPushes higher revenue items, electronics.
  • Now linked with Toys-R-Us.

51
Three Models
The Economist, Feb 3, 2001
  • Large staff, sells ads.
  • Happy Users More O/L Time
  • Targeted Ads More Adv Revenue
  • Better Ads Happier Users

52
Three Models
The Economist, Feb 3, 2001
  • Virtual, unlimited capacity,
  • Few staff.
  • Slow to expand,
  • Linked with AutoTrader

53
Traditional Commerce Push
New Marketing
New eCommerce Pull
54
April 14, 2000. The end of the dot.com
era. More than 1 trillion in market
capitalization was lost. Dotcom stocks of every
description crashed
Source Fast Company, August 2000
55
Small Business
  • 6 of 10 Small Businesses are Online
  • 1 in 3 Small Businesses Sell on the Net
  • 1 in 5 Small Businesses Buy Online
  • 1 in 4 See Revenues from the Net
  • Retail and Real Estate Dominate

Source The Industry Standard, July 31, 2000
56
Common Net Fallacies
  • Every Dot.Com is profitable.
  • Most havent made any money yet.
  • The Web is Worldwide.
  • Almost half of all users are in the US.
  • A lot of commerce is being done on the Web.
  • Only 1 of all commerce is Web-based.

57
Common Net Fallacies
  • First to market is extremely important.
  • Most first-movers arent in existence.
  • The Web is huge, with 2.1 billion unique pages,
    growing at 7 million pages per day. (Information
    Week, Jul 17, 2000)
  • Not all that impressive. 1.5 million books, but
    only about 10 useful.
  • 150,000 useful book-equivalents 1 Borders
    Superstore. (Shapiro Varian. Information
    Rules.)

58
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Source Industry Standard, Feb 14, 2000
60
  • eCommerce Europe will surpass U.S. in e-commerce
    spending on consumer products in 2002. (Jupiter
    Communications)
  • One Third of Belgians Purchase Online A third of
    all Belgian Internet users have already made a
    purchase online and nearly 43 percent said they
    intend on buying something in the next year.

(www.internetindicators.com)
61
  • Europeans Opt for LOCAL eMerchants. European
    consumers are increasingly buying from local
    vendors as opposed US vendors. (NUA/Jupiter
    Communications)
  • By 2005, non-US Web users are forecast to
    comprise 700 million of the total one billion
    users. (NUA)

(www.internetindicators.com)
62
What are the Issues?
63
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Issues
  • Euro vs. US Internet Sales Tax (VAT)
  • Protocol for Privacy Protection (P3P)
  • Upper Level Domain Allocations (Trademarks,
    National Control)
  • Intellectual Capital (Napster, MP3)
  • Digital Divide (Haves, Havenots)
  • Internet Access Fees (Per minute vs Open)
  • Regional Morality (vs Global Citizenry)
  • Data Ownership (Selling eMail addresses)

65
UK Issues
  • Nielson-Netratings study states the UK is
    seriously lagging behind Europe in broadband
    adaption.
  • Only 9 of UK households have broadband, compared
    with 39 in Germany and 33 in Sweden.

66
UK Issues
  • EU Online Trade will surge from 77B Euros to 1
    Trillion in 2006.
  • UK, Germany and France will transact 23 of all
    sales online!

67
  • An English message will not be understood by the
    growing number of non-English Web users, 35 of
    all users online today. (NUA)
  • Business users on the Web are three times more
    likely to purchase when addressed in their native
    language. (Forrester Research)

(www.internetindicators.com)
68
Where is the Future?
69
visibility
Peak of Inflated Expectations
Plateau Of Productivity
DSL
WAP
ASPs
Smart cards
Java
Slope of Enlightenment
Bluetooth
Voice over IP
Digital Ink
Micropayments
Trough of Disillusionment
Quantum Computing
Technology Trigger
Source Gartner Group. In eCompany, Aug 2000
maturity
70
The Future Buzz
  • ASP Applications Service Provider
  • XML Extended Markup Language
  • ERP Enterprise Requirements Planning
  • CRM Customer-Relationship Management
  • B2A Business to Anyone
  • WAP Wireless Application Protocol
  • WML Wireless Markup Language
  • Bluetooth
  • E-signatures
  • Pocket PCs

71
IP V6
  • Low level encryption
  • Authentication
  • Automatic configuration
  • Can work alongside IPV4, inside packets

72
Source IDC, in eCompany, July 2000
73
Cell Phone Penetration
  • Finland 66.7
  • Sweden 57.8
  • Hong Kong 57.7
  • Denmark 49.9
  • Japan 44.9
  • United Kingdom 40.8
  • France 36.4
  • United States 31.0
  • Germany 19.4

Scientific American, October 2000
74
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  • UK Vodaphone Worlds largest mobile
    communications provider.
  • Finland leads in m-commerce revenue.
  • Japans NTT DoCoMo Worlds fastest growing and
    most profitable mobile Web and message service.
  • Nokia 35 cell phone market share.

76
  • 1st Generation Analog
  • 2nd Generation - Digital
  • GSM Circuit Switched
  • CDMA (Code Div Multiple Access)
  • 9.6kbps
  • In US CDMA2000 (Verison Wireless, Sprint PCS)
  • 2.5th Generation
  • GPRS (GSM Packet Radio Service)
  • 115kbps, always on
  • Due in Europe 2002
  • 3rd Generation
  • W-CDMA (Wideband, spread spectrum)
  • 2Mbps/384kbps/128kbps

77
Internet2
  • Not for Profit Consortium
  • Academia-Industry-Government
  • Overall faster

78
1995 EU Directive on Data Protection
  • Prohibits transfer of personal data to nations
    with inadequate privacy protection laws.
  • US safe harbor US Federal Trade Commission.

eCompany Now July 2001
79
US Architectural and Transportation Barriers
Compliance Board
  • US government sites
  • Compliance by 21 June
  • Software and Operating Systems Text with icons,
    keyboard commands
  • Web sites Screen readers must read functions,
    no-color options, no-timeout options, all pics
    tagged.

80
The InternetToday and Tomorrow
  • Professor John Sagi
  • Anne Arundel Community College
  • Arnold, Maryland, USA

81
(No Transcript)
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