Electronic Commerce

1
CS489 Computing Ethics Social Issues
Electronic Commerce Electronic Payment System
970056 Min-kyu Kim 970259 Jae-suk Ahn
2
Part I. E-Commerce
6. Law
5. Technology
4. Effect, Pros. Cons.
3. Present Condition Prospects
2. Category Business Model

1. What is the E-Commerce?

3

• What is the
• E-Commerce?

4
CS489 Computing Ethics Social Issues
CS489 Computing Ethics Social Issues
Background

• ?????????
• (Electronic Data Interchange EDI)
• ???? ???(Value Aided Network VAN)
• ??????(World Wide Web WWW)
• ??? ????(Global Network)
• CALS(Electronic Commerce At Light Speed)

Part I. E-commerce 2001. 11. 26.
5
CS489 Computing Ethics Social Issues
CS489 Computing Ethics Social Issues
Background(EDI ? EC)
Part I. E-commerce 2001. 11. 26.
6
CS489 Computing Ethics Social Issues
CS489 Computing Ethics Social Issues
Background(Open Network)
Part I. E-commerce 2001. 11. 26.
7
CS489 Computing Ethics Social Issues
Definition
?? ??
???/????? ?? ??? ??
????
??? ???? ???? ?? ??? ??? ?? ???? ???? ???? ??? ??
Part I. E-commerce 2001. 11. 26.
8
2. Category Business Model
9
CS489 Computing Ethics Social Issues
Category

• ?? ??? ??? ?? ??
• Business to Business(B2B)
• Business to Consumer(B2C)
• Consumer to Consumer
• ????? ?? ??
• ??/???
• ???
•  
• ???(Bias)? ?? ??
• ???? ????
• ???? ????

Part I. E-commerce 2001. 11. 26.
10
CS489 Computing Ethics Social Issues
Category
3???? ??? ?? 8?? ???? ??
Part I. E-commerce 2001. 11. 26.
11
CS489 Computing Ethics Social Issues
B2C E-commerce Business Model
Part I. E-commerce 2001. 11. 26.
12
CS489 Computing Ethics Social Issues
B2B E-commerce Business Model
Part I. E-commerce 2001. 11. 26.
13
3. Present Condition Prospects
14
CS489 Computing Ethics Social Issues
Internet User Prospects
Part I. E-commerce 2001. 11. 26.
15
CS489 Computing Ethics Social Issues
Present Condition Prospects - Total
Part I. E-commerce 2001. 11. 26.
16
CS489 Computing Ethics Social Issues
??????? ?? ??
Part I. E-commerce 2001. 11. 26.
17
CS489 Computing Ethics Social Issues
??? B2C ?? ??
Part I. E-commerce 2001. 11. 26.
18
CS489 Computing Ethics Social Issues
??? B2C ?? ??
Part I. E-commerce 2001. 11. 26.
19
CS489 Computing Ethics Social Issues
B2B e-Marketplace ?? ??
Part I. E-commerce 2001. 11. 26.
20
CS489 Computing Ethics Social Issues
B2B Auction ?? ??
Part I. E-commerce 2001. 11. 26.
21
CS489 Computing Ethics Social Issues
?? ?? ?? (Andersen Consulting)

• B2B
• 1999? 400? ?
• ?? 110? ??? ???
• ?? 2005??? 7.1? ?

• B2C
• 1999? 400? ?
• ?? 66? ??? ???
• ?? 2005??? 1.1?

Part I. E-commerce 2001. 11. 26.
22
4. Effect, Pros. Cons.
23
CS489 Computing Ethics Social Issues
Effect

• ??? ??
• ??????? ???? ??
• ??? ? ?? ?? ??
• Etc.

• ??? ??
• ????? ????
• ???? ???? ??
• ????? ??
• Etc.

Part I. E-commerce 2001. 11. 26.
24
CS489 Computing Ethics Social Issues
Virtual Company
VIRTUAL COMPANY
Part I. E-commerce 2001. 11. 26.
25
CS489 Computing Ethics Social Issues
Virtual Company

• ??
• ????(Information Technology IT)? ??
• ????? ?????
• ??????? ?? ????? ??
• ???? ???, ????
• ??? ????? ??? ? ??
• 20?? ??? 4? ??? ?????? ???? ??? ???? ??? ??? ??
• (?? ?????)

Part I. E-commerce 2001. 11. 26.
26
CS489 Computing Ethics Social Issues
Pros. Of Consumers

• ??? ??? ??? ??
• ??? ???? ? ??
• ???? ??
• ??????

Part I. E-commerce 2001. 11. 26.
27
CS489 Computing Ethics Social Issues
Pros. Of Sellers

• ??? ??
• ??? ???? ?? ??
• ??? ??? ???? ????
• ????? ???
• ?? ????

Part I. E-commerce 2001. 11. 26.
28
CS489 Computing Ethics Social Issues
Cons.

• ??? ???? ????? ??
• ??? ???? ??? ???
• ???? ?? ????
• ??? ??????? ??
• ???? ?? ? ????? ?? ??

Part I. E-commerce 2001. 11. 26.
29
5. Technology
30
CS489 Computing Ethics Social Issues
E-commerce Structure
lt????gt ???? ?? ?? ??? ??? ?? ?? ????? ??
lt???? gt ?????? ???? ???? ??
lt??gt ?????? ???? ??? ??? ????? ???? ?? ???? ??
Part I. E-commerce 2001. 11. 26.
31
CS489 Computing Ethics Social Issues
Technology

• ??? ???
• ?? ? ??(Part II)
• ???? ??(Part II)
• ?? ?? ?? ??
• ??? ?? ? ??
• ?? ???? ????

Part I. E-commerce 2001. 11. 26.
32
CS489 Computing Ethics Social Issues
Push Technology

• Information Push
• Advertisement Push
• ???????(Internet Information Center IIC)? ??
  ???????? ??
• ????, ??, ??? ?? ?? ????? ???? ?????? ??

Part I. E-commerce 2001. 11. 26.
33
CS489 Computing Ethics Social Issues
Push Technology
Part I. E-commerce 2001. 11. 26.
34
CS489 Computing Ethics Social Issues
Virtual Reality
? ????? ???

• 2???? ?? ??
• ????? ??? ?? ?? ??

Part I. E-commerce 2001. 11. 26.
35
CS489 Computing Ethics Social Issues
Virtual Reality ? VRML
VRML(Virtual Reality Modeling Language)

• ??
• WWW?? 3?? ?? ??? ????
• VRML Consoritum? ?? ??
• 3?? ??? Database?? ??? ??
• ???
• JDBC?? ??? DB? ????? Overhead? ?
• Trigger?? ??? ??

Part I. E-commerce 2001. 11. 26.
36
CS489 Computing Ethics Social Issues
Shopping Agent

• Agent ?
• ???? ??? ?? ?? ??? ?
• Ex. ?? ??? Robot-agent

• ??
• ??? ??? ???? ?? ??
• ???? ??? ?? ???? ?? ??
• ???? ??? ?? ??

Part I. E-commerce 2001. 11. 26.
37
CS489 Computing Ethics Social Issues
Shopping Agent? ??

• Communication
• ???, System, ?? Agent? ?? ??
• Autonomy
• Event? ?? ????? ??
• ???? ??? ?? ??? ??
• Intelligence
• ??, ??, ??? AI???? ????? ?? ??
• Mobile
• ???

Part I. E-commerce 2001. 11. 26.
38
6. Law
39
CS489 Computing Ethics Social Issues
????? ?? ?? ???????

• ???????
• ???? ? ????? ??
• ???? ? ????? ?? ?? ??
• ????? ???? ??
• ????? ??? ??
• ??????? ??
• ???? ?? ??? ?? ? ??, ????
• ?????

Part I. E-commerce 2001. 11. 26.
40
CS489 Computing Ethics Social Issues
?????? ?? ?? ???

• ??? ??? ??? ?????
• ???? ????? ???? ??? ??? ??
• ????? ??
• ??? ???? ???? ??? ??
• ?????? ??

Part I. E-commerce 2001. 11. 26.
41
CS489 Computing Ethics Social Issues
?? ????? ?? ??

• ????????(UNCITRAL)
• 96? ???????? ???? ???????? ???
• OECD
• ???????(97.3), ???????(99.12) ? ??
• ????? ???? ????? ?? ?? ??

Part I. E-commerce 2001. 11. 26.
42
CS489 Computing Ethics Social Issues
Part II. ???????
?? ?????? ?? ?? ?????? ???? ?? ?????? ???? ??
?????? ?? ?? ??
e-commerce e-money 1/23
43
CS489 Computing Ethics Social Issues
???????? ??
? ??????? ??? ???? ?? ?? ? ?? ???? ?? ?? ? ???
????? ??, ??? ?? ??, ?? ?? ??? ?? ??
e-commerce e-money 1/23
44
CS489 Computing Ethics Social Issues
?? ?? ???? ????
?1?? ??? ??? ?? ????
?2 ?? ?? ?? ?? ???? ??
? 3?? ????? ?? ???? ??
?4?? ????? ?3? ??? ???
? 5?? ?? ??? ?? ????
45
CS489 Computing Ethics Social Issues
???? 1.???
? ??? ??? ? ??? ????? ???? ???
???? ?? ? ??? ??? ???? ?? key ?? ???
? ex) DES, 3DES , IDEA, RC5 ? ???? ??? ?
public key ? ??? , private key ? ??? ? ????
???? ?? ??? ?? ??? ? ex) RSA, Lattice
46
CS489 Computing Ethics Social Issues
???? 2.?? ??
? ???? ?? ???? ?? ?? ? CA( Certificate
authority) ? merchant? ??? ?? ? ????
merchant? public key? CA? private key ? ???
? ???? ???? CA? public key? ????? ?? ? ??
??? ??? ??? ?? ? ??? ??? digest? private key
? ??? ??? ?? ?? ? ???- ???? public key
? ??? ???, ?? ? digest? ??
47
CS489 Computing Ethics Social Issues
?? ?? ???? ??
1)???? ?? ??? 2)?? ?? ??? 3)?? ?? ?? ???
48
CS489 Computing Ethics Social Issues
?? 1.???? ?? ???
? ?? ?????? ???? ??? ?? ?? ???? ?? ????? ???
???? ?? ? ?? ??? ???? ??? ????? ??? ?? ? ??
??? ????? ??? ?? ? ??? ?? ???? ??? SET,SSL ? ??
49
CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)
? SET( Secure Electronic Transaction) ? VISA?
Mastercard??MicroSoft,IBM/Netscape ? ?? ?? ???
???? ?? ?? ?? ???? ? ??? ??? ???? ??? ??? ???
?? ? ????? ??? ???? ???, ????? Payment
gateway ? ???? ??? ???? , ???? ???, ???? cost?
??
50
CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)

ltSET ??gt
51
CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)
?SSL(Secure Socket Layer) ? sever? web????? ??
? SSL server ?? public key ??????? ?
??? ??? ???? . CA? ?? ???? ? SSL client ?? -
server? client? ?? ??? server? ??? ??
(?????) ? encrypted SSL connection ??? ???
? ?, ?? ??? ????? ?? ?? ??? key? session key ??
??.
52
CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)
? CyberCache ? CyberCache??? ?? ?
CyberCache Wallet? ???? ??? ?? ?
CyberCache? ??? ????? ?? ? First Virtual ? ????
???? ?? virtual pin? IMP?? ??? ?? ?? ??.
E-mail? ?? ?E-credit ? dacom?? ?? ? SET
protocol ?? , RSA/DES/SSL ???
53
CS489 Computing Ethics Social Issues
?? 2.?? ?? ???
?Cyber Bank ?? ????? ?? ??? ?? PC?? ??? ???
??? ???? ?? ?NetCheque ? ????? ???? ?? ?
????? ?? ,Kerberos ??? ?? ? kerberos
server? ?? ???? ??? ? NetCheque? ???? ??? ???
?? ?? ? ???? ??? ??, ?????, ????, ??? ?,
?? ?? ??? ????? ??
54
CS489 Computing Ethics Social Issues
?? 3.?????????
? ????? ?? ????? ? ??? ????? ?? disk, Pc? ?????
?? ? software? ???? ??, ????? ??? ??? ? hard
disk? pc? ??? ???? ??? ?? ?IC ??? ?? ????? ?
IC??? ?? ??? ?? ? ??? ???? , off line??? ????
? ??? ??? ??? ??
55
CS489 Computing Ethics Social Issues
?? 3-1. ?????? ????? ???
?Ecash ? Digi Cash?? ?? ? ????? Client
S/W???? ?????? ? ????? ??, ??,?? ?? ?NetCash ?
????????? ?? ? ???? ??? ??? ???? ?? ?
NetCheque ? ????
56
CS489 Computing Ethics Social Issues
?? 3.?????? IC card????
? Visa Cash ? visa?? ?? ? 1??, ????? ??. ???
??? ?? ? Mondex ? ?? ????? National
Westminster Bank ?? ? ???? ?? ??? ?? ? Mondex
??? ?? ??????? ???? ? ???? ?? ??? ??
57
CS489 Computing Ethics Social Issues
?? ??
? ????? ??? ?? Mondex, Visa Cash ? IC??? ????
??? ?? Mondex korea , K-cash, A-cash ? ?? ??
??? IC??? ????? ?? ??? ?? , ARS?? ? e-mail
banking
58
CS489 Computing Ethics Social Issues
?? ??

• ?? ????? ?? ??

59
CS489 Computing Ethics Social Issues
?? ??

• ?? ?? ????

• 2000? 10?? ??? 140??
• 2000? ? ???? 1000?? ??
• 20001? ???? 1500 2000?? ??

60
CS489 Computing Ethics Social Issues
References

• ITFind(http//itfind.or.kr/)
• Mondex korea(httpwww.molkorea.com/)
• ?????????(http//www.kisdi.re.kr/)
• ????? ???????(http//ec.pcu.ac.kr/)
• "????? ??? ? ?? ??." ???, ???? ??? 1999.
• "???????" ???, ???, 2000

Part I. E-commerce 2001. 11. 26.
61
CS489 Computing Ethics Social Issues
???? ??

• ?? ??? ??? ?? ??? ???? ????
• Online???? ????? Network? ????? ???? ????