Title: ??? TCP/IP ??
1??? TCP/IP ??
- 3-1 TCP/IP ???????
- 3-2 ??????
- 3-3 ??????
- 3-4 ??
- 3-5 ??
2- 3-6 ??
- 3-7 ?????
- 3-8 IP ????
- 3-9 ????
- 3-10 ??????
33-1 TCP/IP???????
- TCP/IP?????????1964?,??????????????????,??????????
??????????????????1969??????????????ARPA??????? - ?1982??,??????TCP/IP??,????????????????????1983???
ARPANet??????????TCP/IP?????,?????TCP/IP??????
43-2 ??????
- OSI???????????,???
- Application(???)
- Presentation(???)
- Session(???)
- Transport(???)
- Network(???)
- DataLink(?????)
- Physical(???)
- TCP/IP?????,??????????
- Application(???)
- Transport(???)
- Internet(?????)
- Network(???)
5 OSI?TCP/IP??????????
OSI????? TCP/IP???? Microsoft Network
Application(???) Application(???) Application Interface (???????)
Presentation(???) Application(???) Application Interface (???????)
Session(???) Application(???) Application Interface (???????)
Transport(???) Transport(???) Transport Device Interface (???????)
Network(???) Internet (?????) Network Driver Interface (???????)
DataLink(?????) Network(???) Physical Network Layer(?????)
Physical(???) Network(???) Physical Network Layer(?????)
63-2-1 IP
- IP????(packet)????????,??TCP/IP
??????????????????????32??????????????????????????
??????????
7???IP??????
8IP????
- IP???????32??????,???????,???????(Network
ID)/16Bits?????(Host ID)/16Bits,????IPNetwork ID
Host ID????AE?????????0(??A)?10(??B)?110(??C)?1
110(??D)????
9IP?????
? ? ???? Network Host ???? ????
Class A 0 7bits 24bits 1.x.x.x - 126.x.x.x ???
Class B 10 14bits 16bits 128.n.x.x-191.n.x.x ????
Class C 110 21bits 8bits 192.n.n.x-223.n.n.x ????
Class D 1110 - - 224.- -239.- ????
Class E 1111 - - 240.- -255.- ?????
103-2-2 ARP
- ??????????,??????????IP?MAC???????????????IP???,??
?????????????ARP(??????)?????????MAC??? - ?????????MAC??,?????ARP????????????????,?????????A
RP????????????,ARP?????????????
113-2-3 TCP
- TCP???????,??????????????????????????TCP??????????
???????????????????????????????????,????????????
?????????????????????????????? - ???????????(Sliding Window)
12TCP????
13????
- TCP?????SQN?ACK???????????????????????????????????
????,??????????????,??????Sliding
Window??????????????,??????????????????
143-2-4 UDP
- UDP???????????????????,???IP????????????UDP???????
?????????,???????????????????UDP?TCP??????????????
??????????,??????????? - UDP???????????????????????,?????????????????????,?
?????????
153-2-5 ICMP
- ??????????(Internet Control Message
Protocol,ICMP)???????TCP?UDP??????????????????????
??????,??????????,????????????????????????????????
????????ping???
163-3 ??????
- DNS?????? (Domain Name System),???????,???????????
??????????????? (Domain Name)???(IP)?????? - ?????? (DNS) ?????? IP ??????????,????????????????
?
17(1) ???????
18(2) ???????????
19(3) ?????????????
203-4 ??( Encapsulation )
- ? TCP/IP ??????,??????????????????????????????????
( header ) ?????,???????????????????????,????????
???????????????????,????????????????,???????????
21??????????????
223-5 ??
- ????????????????,????????????????,????????????????
???????????????????,????????????,????????(
Demultiplexing ) ?
23???????????
243-6 ??
- ??????????????????(???????????????)??,?????IP?????
?????????????,???????,TCP??????????????? - ???????????,???119??????, FTP????TCP???21,??Telnet
????TCP???23,TFTP(????????)????UDP???69?
253-7 ?????
- Internet ??(ISOC,Internet Society)???????????Inter
ne t ????????????? - Internet ???????(IAB,Internet Architecture
Board)?????????????? - Internet ??????(IETF,Internet Engineering Task
Force)??????????,???9???(?????????????)? - Internet ??????(IRIF,Internet Research Task
Force)???????????????
26 TCP/IP???????
- ?? TCP/IP ??????,???????????????,??????????,?????
Internet Network Information Center (INTERNIC)
??????,????????????(? DNS ?)?TCP/IP ????????
Request For Comment (RFC) ??????????RFC ???????
TCP/IP ????,????????
273-8 IP ????
- ??????????????(??????)??????????(????????),??IP???
??????????????,?????????????????,?????????????????
?????????????
28IP??????????
- (1) ?????,??????IP??????????????,?????????????????
????????????? - (2) ?????,????????????????????,???????????????????
??????????? - (3) ?????,???????????????,????????????????????
293-9 ????
- TCP/IP ??????????????,????????????????,?????? ???
?????? 61 ??????? - TCP/IP ??????????????,???????????????? TCP/IP
?????????,??????????????????????????,?????????
WWW?E-MAIL?FTP?DNS ?????
303-9-1 SMTP
- SMTP????? (Internet)???????(E-mail)?????,?????????
?(POP3)??????????????????????,????,SMTP????,?POP3?
?????
31????????
323-9-2 Telnet
- TELNET???TCP/IP????????????????????????????(client
)???????(server),?????????????,?????????????????,?
??????????????,??????????????,????????????????
333-9-2 ??????
- NTP(Network Time Protocol)??????????D.L.
Mills???1985???,??????????????????,?????????????,?
????????????????
343-9-4 ??????
- Finger ?????????????????????????? Unix ???????
finger ,??????????????????? - Whois ???????????(?IP Address?Domain
Name?)???????????????Internet????
353-10 ??????
- ?????????????????????????????????e
mail??????,???????????,???????????,?????????(FTP)?
????????(TFTP)? - ????????Web?????????,??????FTP?TFTP??????????
363-10-1 TFTP
- ????????????????????,TFTP ?? UDP ?? TCP
?????,????????,?????,??????? ROM
??,?????????????,????????ROM???TFTP??,????? TFTP
????????
373-10-2 FTP
- ??????? Internet ?????????FTP????,?????????????,??
???????????????,??FTP???Internet???,??????????????
???? - ????FTP???,?????????????????,?????????????FTP?????
?FTP????????? ?anonymous?????????????,????????????
????