??(protocol)?

1
?02?

• ?????????

2
1????
3
??(protocol)?

• ?????????

4
?1 ????(??)?????
5
?2 ??????(??)?????
6
?????????(protocol)

• ???????????
• ??(protocol)????????,??????????????????,??????????
  ?????????????????????..??????,???????

7
?3 ??????????????,??????
8
?1. ???????
9
??????????

• ??(formal)???
• ?????

10
????

• ???????????????
• ??????
• ????

11
????

• ??????????,????????????????,??????
• ???????????NetBIOS
• ???????,????????????????????

12
???????????

• ??????(International Organization for
  Standardization,??ISO)
• ??OSI???
• ??????(International Telecommunications
  Union,??ITU)
• X.25?X.400?X.500?ISDN?
• ????????(American National Standards
  Institute,??ANSI)
• ASCII Code
• ????????(Institute of Electrical and Electronics
  Engineers ,??IEEE)
• IEEE 802??
• ?????????(Internet Architecture Board,??IAB)
• ??????????(Internet Engineering Task Force
  ,??IETF)
• RFC??

13
2 .?????(Model)
14
??

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

15
?4 ???????????????
16
3 OSI??
17
OSI??

• ???????ISO(International Standards
  Organization)?1984?????
• ?????????,?????,????????????(stack),???????

18
?5 OSI ??
19
????(layer)

• ????????????(?????)?????(??)???????????,?????????
  
• ????????????????????

20
?2 OSI????????
21
?2 OSI????????
22
?2 OSI????????
23
4 DoD??
24
DoD(Department of Defense)??

• ????ARPANET????????????,????ARPANET??
• ?TCP/IP????????,??????TCP/IP???
• DoD?????????????,???????

25
DoD ??? 4 ?????
26
???Link Layer

• ????????, ?????????
• ???????????????? Frame Relay ?????

27
???Network Layer

• ????????, ????????????
• ??????????????IP ?????????????

28
???Transport Layer

• ???????? (Host-To-Host) ?, ???????????????????????
  ??
• TCP ? UDP ??????????????

29
???Application Layer

• ?????????????
• ????????? WWW ?????????????????????????

30
???
31
TCP/IP ? OSI ???
32
?5 DOD ???OSI ???????
33
TCP/IP ???

• TCP/IP ???????????????WWW?E-MAIL?FTP?DNS ???? ?
• ??????????????

34
TCP/IP ?????????

• TCP ? IP ????????????????????? IP ????????
• TCP ??????????????????????????????????????????????
  ????????

35
4.2 ????
36
?????

• ???????????,??????
• ???Ethernet 10/100???,????10Mbps?100Mbps?????????
• Gigabit (10/100/1000 Mbps) Ethernet???

37
????????

• RJ45??
• BNC??

38
?????????

• PCI(Peripheral Componebt Interconnect)??
• USB(Universal Serial Bus)??
• PCMCIA(Personal Serial Bus)??

39
?3-12???????10/100M PCI???

40
?3-13 USB(Universal Serial Bus)?????
3.5 G ?? 384kbps ?? 7.2 Mbps
41
?3-14 PCMCIA(Personal Serial Bus)?????
42
???(Repeater)

• ?????????????,???????
• ??????????,?200500??,??????????,???????

43
?3-15 ?????2??????
44
???

• ?????UTP?????,???????(Hub)????(Switch)?
• ?????????UTP?????,????????,??????????????
• ?????????????????????,??Up Link??

45
?3-16???
46
???????

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

47
???

• ??????????Layer 2 ???
• ???????????????
• ??????????????????

48
?3-17???(3Com 5 Port 10/100M Switch)
49
????????????

• ???????(port)???????????????????

50
?3-18 ??????????
51
??? switch

• ??????????????????(segment)????
• ????????
• ???? Token Ring ??,???????
• ???????(Mac)?????,???????(PC)???
• ?????????????

52
?3-19 ???
53
?3-20 ?????????
54
??? (Router)

• ??OSI??????,???????????????????,?????(Routing)????
  
• ?????????????,??????????????????,?????????????????
  ????

55
?3-21 ??????????????????
56
?3-22 ?????????????
57
?????

• ?????(static routing)
• ?????(dynamic routing)

58
???(Gateway)

• ????????????????
• PC ??? IBM?SNA Mainframe
• TCP/IP ? Apple-Talk ???

59
?3-23 ???
60
???(Modem)

• ???????Modulator/Demodulator(??/????)?
• ????????????????
• ???????????????????
• ?????????????????????,????????????????????

61
???????

• ??????????????,???????(????),????????????,????????
  ?,????????????,???????????? (Modem),???????

62
?3-24 ????Modem????
63
??????

• ???ADSL??????????,??????????????,???????????

64
Modem ?????

• 1. ??Modem (???)
• 2.ADSL Modem
• 3. Cable Modem

65
???Modem ???????

• ???
• ???

66
?3-25 ??Modem?
67
?3-26 Modem CARD
68
?3-27 ADSL MODEM
69
?3-28 Cable MODEM
70
?3-29 ?????????
71
??

• ??????,???????(?),???????????

72
IP???????
73
IP????
74
IP?????
1
128
192
224
240
75
IP????????
76
A???
77
B???
78
C???
79
IP??

• loopback??127.0.0.1
• ?????????,????ping 127.0.0.1?????loopback????????
• gtping 127.0.0.1
• ipconfig ???????????
• gtipconfig -all

80
????

• ??IP??????????AND???,??????????,??????????

81
???????? (VPN)
82
??? IP

• 127.0.0.1
• 10.X.X.X
• 172.16.X.X 172.31.X.X
• 192.168.XX

83
??????

• Ping
• Tracert (trace route)
• Ipconfig (ip config)
• netstat

84
?????

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

85
????

• ????????????????????????,????????????????(live)

86
IP??

• ??????16?IP????
• ????????1??????,1?????,1?????,???????IP???
  16-1-1-113????????????????1???,?????IP????14?