2-1 Internet???

1
Chapter 2 ????

• 2-1 Internet???
• 2-2 Internet???
• 2-3 ???Internet??
• 2-4 ???????
• 2-5 3G/3.5G/3.75G????
• 2-6 TCP/IP????
• 2-7 Internet????

2
2-1 Internet???

• Internet(????)???????????,Internet
  ??????????????,??????????????,???????(Web)?????(E-
  mail)?????(News Group)?????(Telnet)??????(BBS)????
  ?(FTP)?????(IM)?????(VoIP)????(Blog)??????????????
  P2P ????????????????????????????????????(VPN)??

3
2-2 Internet???

• ??????1968 ?12 ???BBN ????????,BBN
  ???????????????????- ARPANET,??????????(packet
  switching network)(?2.3),?ARPANET
  ????,????????????????????????????
• ???????ARPANET ????????,????????????????????????,?
  ????????????????MILNET????,?????????(NSF)??ARPANET
  ????????NSFNET,????NSF ?????,??NSFNET ????TCP/IP
  ?????ARPANET??,??NSFNET ?????????,ARPANET
  ??NSFNET ???
• ?NSFNET ??,1980 ??????????- USENET
  ?BITNET,??????????NSFNET,???????????,?Internet
  ??????????

4
2-3 ???Internet??

• Internet ??????????????????,??????????????????????
  ???????????????????????????????,?????????????????
  ??(Web)?????(E-mail)?????(Telnet)??????(BBS)?????(
  FTP)?????(News Group)?Web ????????(Blog)?????(IM)?
  ????(VoIP)??????????????P2P ?????

5
2-3 ???Internet??
6
2-3 ???Internet??
7
2-3 ???Internet??
8
2-3 ???Internet??
9
2-4 ???????
10
2-4 ???????
11
2-5 3G/3.5G/3.75G????

• 3G ??W-CDMA(3GPP)?CDMA2000(3GPP2)????,????????????
  ????????????,????????????W-CDMA??HSDPA(high speed
  download-link packet access)??,???????,???????3.5G
  ,????HSUPA(high speed upload-link packet
  access)??,???????,????????3.75G?

12
2-6 TCP/IP????
13
2-7 Internet????

• 2-7-1 IP ??
• ???Internet ????????(host),????PC?Mac?????,???????
  ??????,??IP ??(IP address)?????IP
  ?????IPv4,??????,IP ?????32 ?????????
• 2-7-2 ??????(DNS)