Internet ????

1
??????

• ??????
• ??????????????

2
Internet ????

• ???7??,Internet?????????
• ??2000?,???????2?5??
• 1999??,????????300?
• Cisco CEO John Chambers?Internet??????????????
• Intel???Grove?????,????Internet??,??????????Inter
  net????

3
??????

• Forrester Research?2003????????????1.4?????
• ?????????????150???
• Customer buy what they need,not buy what you want
  to sell
• ?????????????????????
• ???????
• ????????
• Internet???????????,??????????????

garance ????????????,??,?????????,??????????
4
???????

• ???
• ??????
• ??????
• ????????
• ???
• ?????
• Ex Intel ??????????????????
• Internet????????????
• ???????????

5
???EC?????

• ????????????????????
• ???????
• ??????????????????????????
• ???????????????
• EX 7-11,AcerMall VS. ???

6
EC?????????

• ??
• ???? (target marketing)
• ???? (relationship marketing)
• ???? (event marketing)
• ????
• JIT (just-in-time)
• ????,????
• ????????????????????
• ?????????
• QR (quick response)
• ?JIT?????????? EXWal-Mart

garance ??????,??????
7
EC?????????

• ?????(SCM)
• ?????
• ?????????????????
• ????
• ????--??--?????
• ??????
• ????
• ???????????????????
• ????
• ????
• ??????

8
EC??????

• EC???
• Enjoyable Customer Service
• Efficient Corporation
• Effective Cost Saving
• Expanding Cooperation
• Easy Communication

9
EC??????

• EC??????
• ?????????
• ??????????????
• ????????,??????
• ??????????????
• ?????????
• ???????

10
????EC???????

• ????
• ????????????
• ??????????????
• ??????????????????
• MIS????
• ??????????????????,???????????
• ????
• ????????,??????????????
• ????
• ?????????????????

11
????EC???

• ?????????????
• ??????????????????
• ?????????????????,????????
• EXIntel

12
??????

• B to C (Business to Customer)
• B to B(Business to Business)
• C to C
• C to B

13
B to C

• ??????????
• ??
• ??????
• ??
• EX Dell Computer
• BTO model
• ????????1400???

14
B TO C

• EXAmazon
• CEO Jeff Bezos
• 1995?7?????
• Time?? ?????50???
• Jeff Bezons????
• ????
• ????
• ??
• ????
• ?
• ???,????
• ????
• ???(???)?,????????

15
B to C

• Amazon
• ???????????????
• ????????????????
• ???26??????????
• ?????CD,VCD,??,??,zshop
• ??1050??
• ???10???
• ?????60???

16
B to C

• Amazon??????
• ?????????
• ???????????
• ?????
• ???????
• ?????????????
• ?????????
• ????
• ??????
• ???????
• ?????????

17
B to C
18
C to C
19
C to B
20
??B to C????

• 24??????????
• ????
• ???????????
• ??
• ????
• ????
• ??????????
• ?????????,??,?????,??????????

21
B to C ???????

• ?????,??????????????
• ???????????????
• ??????????????
• ????????????????
• ???
• ????????????????50
• ???
• ???

22
B to C???????

• ????
• ????
• ????
• ????
• ??????????????????,???????????????ex????,IBM
• ??

23
??

• ????????10?EC??,????????,??????????????
• ??????,?????????????

24
??????

• ????
• ?????---e-cash
• ?????---????????
• ?????---????????

25
E-cash

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

26
????????

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

27
?????????

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

?????
??????
?????
28
?????????

• EC????????????????
• ???(Confidentiality)
• ???(Integrity)
• ?????(Sequence integrity)
• ??(Authentication)
• ?????(Non-repudiation)

29
?????????

• ???????MD5 or SHA-1 algorithm

30
?????????

• ??????
• ???
• Private key or session key
• DES algorithm
• ????????
• ????
• Private key and public key
• RSA glgorithm
• ????????
• ??????????
• ????????

31
???????

• PEM ( privacy enhanced mail)
• ??????DES algorith
• ?????????RSA
• PGP (pretty good privacy)
• ??IDEA(international data encryption algorithm)??
• ??????????????
• ??RSA?MD5

32
?????????

• 1.??DES????????????Session Key
• 2.??Session Key??????,??????
• 3.?????Public Key??Session Key
• 4.??????Private Key?????????????
• 5.??Base64???,?????Session Key???????????,?????

33
??????

• 1.?????????????,?????????Base64??
• 2.??????Private Key,?Session Key??
• 3.??Session Key,???????
• 4.??????Public Key???
• ?,????????????????,??,???????

34
????????

• ??????
• ?????
• ?????????
• ??????B to B

35
????

• ?????????
• ????
• agent
• data mining
• ????
• B to B,C to C,C to B???

36
????

• 1.?????? ??????????
• 2. Business NEXT magazine
• 3. Business the amazon.com way ?????
• 4. Frontiers of Electronic Commerce ?????????
• 5. WWW??EC????
• 6. JAVA ???
• 7. Datamining ???????????