Title: Electronic Commerce
1CS489 Computing Ethics Social Issues
Electronic Commerce Electronic Payment System
970056 Min-kyu Kim 970259 Jae-suk Ahn
2Part I. E-Commerce
6. Law
5. Technology
4. Effect, Pros. Cons.
3. Present Condition Prospects
2. Category Business Model
- What is the E-Commerce?
3 4CS489 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.
5CS489 Computing Ethics Social Issues
CS489 Computing Ethics Social Issues
Background(EDI ? EC)
Part I. E-commerce 2001. 11. 26.
6CS489 Computing Ethics Social Issues
CS489 Computing Ethics Social Issues
Background(Open Network)
Part I. E-commerce 2001. 11. 26.
7CS489 Computing Ethics Social Issues
Definition
?? ??
???/????? ?? ??? ??
????
??? ???? ???? ?? ??? ??? ?? ???? ???? ???? ??? ??
Part I. E-commerce 2001. 11. 26.
82. Category Business Model
9CS489 Computing Ethics Social Issues
Category
- ?? ??? ??? ?? ??
- Business to Business(B2B)
- Business to Consumer(B2C)
- Consumer to Consumer
-
- ????? ?? ??
- ??/???
- ???
-
- ???(Bias)? ?? ??
- ???? ????
- ???? ????
Part I. E-commerce 2001. 11. 26.
10CS489 Computing Ethics Social Issues
Category
3???? ??? ?? 8?? ???? ??
Part I. E-commerce 2001. 11. 26.
11CS489 Computing Ethics Social Issues
B2C E-commerce Business Model
Part I. E-commerce 2001. 11. 26.
12CS489 Computing Ethics Social Issues
B2B E-commerce Business Model
Part I. E-commerce 2001. 11. 26.
133. Present Condition Prospects
14CS489 Computing Ethics Social Issues
Internet User Prospects
Part I. E-commerce 2001. 11. 26.
15CS489 Computing Ethics Social Issues
Present Condition Prospects - Total
Part I. E-commerce 2001. 11. 26.
16CS489 Computing Ethics Social Issues
??????? ?? ??
Part I. E-commerce 2001. 11. 26.
17CS489 Computing Ethics Social Issues
??? B2C ?? ??
Part I. E-commerce 2001. 11. 26.
18CS489 Computing Ethics Social Issues
??? B2C ?? ??
Part I. E-commerce 2001. 11. 26.
19CS489 Computing Ethics Social Issues
B2B e-Marketplace ?? ??
Part I. E-commerce 2001. 11. 26.
20CS489 Computing Ethics Social Issues
B2B Auction ?? ??
Part I. E-commerce 2001. 11. 26.
21CS489 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.
224. Effect, Pros. Cons.
23CS489 Computing Ethics Social Issues
Effect
- ??? ??
- ??????? ???? ??
- ??? ? ?? ?? ??
- Etc.
- ??? ??
- ????? ????
- ???? ???? ??
- ????? ??
- Etc.
Part I. E-commerce 2001. 11. 26.
24CS489 Computing Ethics Social Issues
Virtual Company
VIRTUAL COMPANY
Part I. E-commerce 2001. 11. 26.
25CS489 Computing Ethics Social Issues
Virtual Company
- ??
- ????(Information Technology IT)? ??
- ????? ?????
- ??????? ?? ????? ??
- ???? ???, ????
- ??? ????? ??? ? ??
- 20?? ??? 4? ??? ?????? ???? ??? ???? ??? ??? ??
- (?? ?????)
Part I. E-commerce 2001. 11. 26.
26CS489 Computing Ethics Social Issues
Pros. Of Consumers
- ??? ??? ??? ??
- ??? ???? ? ??
- ???? ??
- ??????
Part I. E-commerce 2001. 11. 26.
27CS489 Computing Ethics Social Issues
Pros. Of Sellers
- ??? ??
- ??? ???? ?? ??
- ??? ??? ???? ????
- ????? ???
- ?? ????
Part I. E-commerce 2001. 11. 26.
28CS489 Computing Ethics Social Issues
Cons.
- ??? ???? ????? ??
- ??? ???? ??? ???
- ???? ?? ????
- ??? ??????? ??
- ???? ?? ? ????? ?? ??
Part I. E-commerce 2001. 11. 26.
295. Technology
30CS489 Computing Ethics Social Issues
E-commerce Structure
lt????gt ???? ?? ?? ??? ??? ?? ?? ????? ??
lt???? gt ?????? ???? ???? ??
lt??gt ?????? ???? ??? ??? ????? ???? ?? ???? ??
Part I. E-commerce 2001. 11. 26.
31CS489 Computing Ethics Social Issues
Technology
- ??? ???
- ?? ? ??(Part II)
- ???? ??(Part II)
- ?? ?? ?? ??
- ??? ?? ? ??
- ?? ???? ????
Part I. E-commerce 2001. 11. 26.
32CS489 Computing Ethics Social Issues
Push Technology
- Information Push
- Advertisement Push
- ???????(Internet Information Center IIC)? ??
???????? ?? - ????, ??, ??? ?? ?? ????? ???? ?????? ??
Part I. E-commerce 2001. 11. 26.
33CS489 Computing Ethics Social Issues
Push Technology
Part I. E-commerce 2001. 11. 26.
34CS489 Computing Ethics Social Issues
Virtual Reality
? ????? ???
- 2???? ?? ??
- ????? ??? ?? ?? ??
Part I. E-commerce 2001. 11. 26.
35CS489 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.
36CS489 Computing Ethics Social Issues
Shopping Agent
- Agent ?
- ???? ??? ?? ?? ??? ?
- Ex. ?? ??? Robot-agent
- ??
- ??? ??? ???? ?? ??
- ???? ??? ?? ???? ?? ??
- ???? ??? ?? ??
Part I. E-commerce 2001. 11. 26.
37CS489 Computing Ethics Social Issues
Shopping Agent? ??
- Communication
- ???, System, ?? Agent? ?? ??
- Autonomy
- Event? ?? ????? ??
- ???? ??? ?? ??? ??
- Intelligence
- ??, ??, ??? AI???? ????? ?? ??
- Mobile
- ???
Part I. E-commerce 2001. 11. 26.
386. Law
39CS489 Computing Ethics Social Issues
????? ?? ?? ???????
- ???????
- ???? ? ????? ??
- ???? ? ????? ?? ?? ??
- ????? ???? ??
- ????? ??? ??
- ??????? ??
- ???? ?? ??? ?? ? ??, ????
- ?????
Part I. E-commerce 2001. 11. 26.
40CS489 Computing Ethics Social Issues
?????? ?? ?? ???
- ??? ??? ??? ?????
- ???? ????? ???? ??? ??? ??
- ????? ??
- ??? ???? ???? ??? ??
- ?????? ??
Part I. E-commerce 2001. 11. 26.
41CS489 Computing Ethics Social Issues
?? ????? ?? ??
- ????????(UNCITRAL)
- 96? ???????? ???? ???????? ???
- OECD
- ???????(97.3), ???????(99.12) ? ??
- ????? ???? ????? ?? ?? ??
Part I. E-commerce 2001. 11. 26.
42CS489 Computing Ethics Social Issues
Part II. ???????
?? ?????? ?? ?? ?????? ???? ?? ?????? ???? ??
?????? ?? ?? ??
e-commerce e-money 1/23
43CS489 Computing Ethics Social Issues
???????? ??
? ??????? ??? ???? ?? ?? ? ?? ???? ?? ?? ? ???
????? ??, ??? ?? ??, ?? ?? ??? ?? ??
e-commerce e-money 1/23
44CS489 Computing Ethics Social Issues
?? ?? ???? ????
?1?? ??? ??? ?? ????
?2 ?? ?? ?? ?? ???? ??
? 3?? ????? ?? ???? ??
?4?? ????? ?3? ??? ???
? 5?? ?? ??? ?? ????
45CS489 Computing Ethics Social Issues
???? 1.???
? ??? ??? ? ??? ????? ???? ???
???? ?? ? ??? ??? ???? ?? key ?? ???
? ex) DES, 3DES , IDEA, RC5 ? ???? ??? ?
public key ? ??? , private key ? ??? ? ????
???? ?? ??? ?? ??? ? ex) RSA, Lattice
46CS489 Computing Ethics Social Issues
???? 2.?? ??
? ???? ?? ???? ?? ?? ? CA( Certificate
authority) ? merchant? ??? ?? ? ????
merchant? public key? CA? private key ? ???
? ???? ???? CA? public key? ????? ?? ? ??
??? ??? ??? ?? ? ??? ??? digest? private key
? ??? ??? ?? ?? ? ???- ???? public key
? ??? ???, ?? ? digest? ??
47CS489 Computing Ethics Social Issues
?? ?? ???? ??
1)???? ?? ??? 2)?? ?? ??? 3)?? ?? ?? ???
48CS489 Computing Ethics Social Issues
?? 1.???? ?? ???
? ?? ?????? ???? ??? ?? ?? ???? ?? ????? ???
???? ?? ? ?? ??? ???? ??? ????? ??? ?? ? ??
??? ????? ??? ?? ? ??? ?? ???? ??? SET,SSL ? ??
49CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)
? SET( Secure Electronic Transaction) ? VISA?
Mastercard??MicroSoft,IBM/Netscape ? ?? ?? ???
???? ?? ?? ?? ???? ? ??? ??? ???? ??? ??? ???
?? ? ????? ??? ???? ???, ????? Payment
gateway ? ???? ??? ???? , ???? ???, ???? cost?
??
50CS489 Computing Ethics Social Issues
?? 1.???? ?? ??? (continue)
ltSET ??gt
51CS489 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 ??
??.
52CS489 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 ???
53CS489 Computing Ethics Social Issues
?? 2.?? ?? ???
?Cyber Bank ?? ????? ?? ??? ?? PC?? ??? ???
??? ???? ?? ?NetCheque ? ????? ???? ?? ?
????? ?? ,Kerberos ??? ?? ? kerberos
server? ?? ???? ??? ? NetCheque? ???? ??? ???
?? ?? ? ???? ??? ??, ?????, ????, ??? ?,
?? ?? ??? ????? ??
54CS489 Computing Ethics Social Issues
?? 3.?????????
? ????? ?? ????? ? ??? ????? ?? disk, Pc? ?????
?? ? software? ???? ??, ????? ??? ??? ? hard
disk? pc? ??? ???? ??? ?? ?IC ??? ?? ????? ?
IC??? ?? ??? ?? ? ??? ???? , off line??? ????
? ??? ??? ??? ??
55CS489 Computing Ethics Social Issues
?? 3-1. ?????? ????? ???
?Ecash ? Digi Cash?? ?? ? ????? Client
S/W???? ?????? ? ????? ??, ??,?? ?? ?NetCash ?
????????? ?? ? ???? ??? ??? ???? ?? ?
NetCheque ? ????
56CS489 Computing Ethics Social Issues
?? 3.?????? IC card????
? Visa Cash ? visa?? ?? ? 1??, ????? ??. ???
??? ?? ? Mondex ? ?? ????? National
Westminster Bank ?? ? ???? ?? ??? ?? ? Mondex
??? ?? ??????? ???? ? ???? ?? ??? ??
57CS489 Computing Ethics Social Issues
?? ??
? ????? ??? ?? Mondex, Visa Cash ? IC??? ????
??? ?? Mondex korea , K-cash, A-cash ? ?? ??
??? IC??? ????? ?? ??? ?? , ARS?? ? e-mail
banking
58CS489 Computing Ethics Social Issues
?? ??
59CS489 Computing Ethics Social Issues
?? ??
- 2000? 10?? ??? 140??
- 2000? ? ???? 1000?? ??
- 20001? ???? 1500 2000?? ??
60CS489 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.
61CS489 Computing Ethics Social Issues
???? ??
- ?? ??? ??? ?? ??? ???? ????
- Online???? ????? Network? ????? ???? ????