Instructor

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????????????

• Instructor
• ???

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??

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

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??????
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??

• Internet ?????
• Internet ?????
• Internet ?????
• Internet ???

inter-????????? net???? (network) ???
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Internet ?????

• ARPANET
• 1969??????(DoD,Department of Defense)?????????????
  (packet-switched) ????
• 1980???APARNET(???)?MILNET(???)
• ????
• 1970?USENET?1980?CSNET?BITNET
• NSFNET(National Science Foundation Network)
• 1986?,?????????
• ??ARPANET???????????

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Internet ?????

• ???? Internet ???????
• ??????(Taiwan Academic Network,TANET)??????
• ????????(SEEDNet)????? Internet ????,??????
  Internet
• ??????,???????????
• ????????HiNet??????????

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Internet ?????

• ????(Communication Protocol)?????????????
• Internet ????????
• TCP/IP (Transmission Control Protocol/Internet
  Protocol)
• ?????????(??)???
• ????????????
• ISO ? OSI ????
• ???????????????
• ??????????
• ??

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A. TCP/IP??
??? telnet ftp
??? telnet ftp
??? TCP UDP
??? TCP UDP
????? IP
????? IP
?????
?????
???
???
???
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B. ISO????????????

• International Standard Organization(ISO)?????????(
  Open Systems Interconnection,OSI)????(Reference
  Model)??????????????
• ???(Physical Layer)
• ?????(Data Link Layer)
• ???(Network Layer)
• ???(Transport Layer)
• ???(Session Layer)
• ???(Presentation Layer)
• ???(Application Layer)

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OSI ???? (contd)
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C. ?????????

• ????????( Simple Mail Transfer Protocol
  ,SMTP)????????
• ????( Post Office Protocol ,POP)?????????
• ???????(Hyper Text Transfer Protocol,HTTP)????
  HTML(Hyper Text Markup Language)??
• ??????????( Internet Control Message
  Protocol,ICMP)?????????????
• ????????( Simple Network Management
  Protocol,SNMP)?????????

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??????? (contd)

• TELNET
• TELNET????????
• ????
• ???????????????
• ????
• ??????,???????????????
• ????
• ???????????,??????????

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??????? (contd)

• TELNET ??????

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??????? (contd)

• FTP ( File Transfer Protocol ) ??????
• ???????????????
• FTP??????
• ????
• ???????????
• ????
• ????????????????
• ???????
• ??????????????

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??????? (contd)

• SMTP ( Simple Mail Transfer Protocol )????????
• ?????????????????
• ?????? POP ( Post Office Protocol ) ????
• SMTP?POP3????

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D. IP ?????

• ???????

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IP ????? (contd)

• ??????
• IP?????
• ????( Network bits )??IP?????????
• ????( Host bits ) ??IP????????????????

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E. ??????

• Internet??????
• IP Address192.192.35.28
• IP Address????
• Name Addresswww.ntpu.edu.tw
• ?????? (DNS,Domain Name System)
• ???? name address ??? IP address

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Internet ???

• Internet ?????????
• Internet????????
• Internet ?????

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Internet ?????????

• ?????
• ??????,????????????????
• ??
• ??????
• ??????
• ??????
• ??????
• ???? (Remote Login)
• ??terminal service
• ???????????????????

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Internet ?????????

• ??????????????????????
• ?? ftp (file transfer program) ???
• ?????? FTP (File Transfer Protocol)
• ftp server

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Internet????????

• Ping ??????????????????????
• ?WINDOWS??????ping????ping www.ntpu.edu.twtime??
  ?????????????,?????????Request time out???

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Internet????????

• Tracert ???????????????????????????????????
• ??tracert www.kimo.com.tw(???????? time out)?

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Internet ?????

• Messenger ??VoIP????????????????????
• ????? (BBS, Bulletin Board System)
• Internet ???????
• ????? (WWW,World Wide Web) ????????????
• Intranet
• ???????????????
• Extranet
• ?????????????????

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???????
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???????

• ?????
• ????????????????????

??????????????
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????????-?????

• ???? ( LANLocal Area Network )
• ??????????????????????????????
• ?????????????????
• ???? ( MANMetropolitan Area Network )
• ??????????????????????
• ???? ( WANWide Area Network )
• ??????????????????????
• ?????????????????

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????????-?????(contd)
????????????????????
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????????-???????

• ????
• ????????,???????????
• ????? ( Bus Topology )
• ???? ( Star Topology )
• ???? ( Ring Topology )
• ???? ( Tree Topology )
• ???? ( Mesh Topology )

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????? ( Bus Topology )

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

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???? ( Star Topology )

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

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???? ( Ring Topology )

• ?????????????,?????????????

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???? ( Tree Topology )

• ?????????????????,???????????????

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???? ( Mesh Topology )

• ???????? ( Full Connected Mesh Topology
  )????????????????????????????

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???? ( Mesh Topology ) (contd)

• ???????? ( Partially Connected Mesh Topology
  )??????????????????????,????????????????????????
  

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????????-???????

• ????
• ??? (client)
• ??????????,??????????????
• ??? (peer)
• ??????????,?????????? ???
• ??? (server)
• ?????????????

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??????? (contd)

• ????? ( Client - Server )
• ??????????????,????????????,??????????????
• ?????? (PDCPrimary Domain Controller)
• ?????????????????????
• ???????(BDCBackup Domain Controller)
• ?????????????,??????? ??????????

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??????? (contd)

• ????? ( Client - Server )

???????
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??????? (contd)

• ????? ( Peer-to-Peer )
• ??????????????,??????????????,????????????
• ????????,???
• ????????????????
• ?????????????????????
• ?????????

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??????? (contd)

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

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??????? (contd)

• ????? ( Hybrid )

???????
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??????

• ?????????
• ????
• ????
• ????
• ???
• ????
• ??
• ????
• RF

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????-RJ45??BNC ??
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????-??????
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????-???

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

???????
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????-???

• ???(Bridge)
• ????????,????????????????????(????)??
• ???????
• ??OSI??????????,???????????????

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????-???
???????
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????-???

• ???(Hub)
• ????????(Port),?????????????
• ?????????????????????
• ??????????

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????-???

• ???(Switch)
• ????????????
• ????????(Port),?????????????
• ??????????
• ????(ASIC)???,????????????????????(????)??

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????-???

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

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????-???
???????
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?????

• ????????????
• ??(dedicated)
• ??????????????
• ????(leased / private)
• ??????????,???????
• ??(switched / dial-up)
• ?????????????,??????????? ???

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?????

• ????

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?????????

• ????
• ????????,?????????????

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?????????

• ????
• ????????,??????????????

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?????????

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

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?????????

• ????????????

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?????????
59
??

• ??????
• ??????
• ??????
• ?????

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????

• ???????
• ????????????????????????????(To communicate with
  anyone at anytime and anywhere.)

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?????????

• ???(Cellular)??????
• ??(Low-Tier)????
• ??(Satellite)??
• ??????(Wireless Local Loop)

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A. ???(Cellular)??????.

• GSM
• ???Global Systems for Mobile Communications,??????
  ???(ETSI,European Telecommunications Standard
  Institute)?????(Digital)???(Cellular)??????,
• AMPS(Advanced Mobile Phone System)
• ???????????090??????
• ?????????

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B. ??(Low-Tier)????

• ???PHS(Personal Handheld System)??
• ???DECT(Digital European Cordless Telephone)??
• ???PACS (Personal Access Communication System)??

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??????

• ?1997????????????,??????????,????????????,??
• ??????????900Mhz?1800Mhz?????
• ??(??900Mhz???1800Mhz)
• ?????(??1800Mhz)
• ??(????1800Mhz)??????
• ??(??1800Mhz),??????????????1800Mhz???????
• ??(??900Mhz)
• ?? (??900Mhz)????????

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GSM

• SIM(Subscriber Identity Module)?
• ???????IC???,
• ???(Base Station)
• ??????,???????????????(Cell),?????????????,???????
  ???????
• ?????(MSC,Mobile Switching Center)
• ???????????(PSTN,Public Switched Telephone
  Network)??????????????????

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GSM ???
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GSM????(Mobility Management)

• ?????????????
• HLR(Home Location Register)??????????
• VLR(Visitor Location Register)????????????
• ????(Handover?Handoff)?
• ??????????????????????,???????????????????????????
  ??

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GPRS

• GPRS (General Packet Radio Service)
• ????????,???????????????
• ???IP??????,?????????,??????(Packet Switched)??
• ?????????????,??????????
• ????????????,?????????????171.2Kbps,??????????????
  ???

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Wireless Application Protocol

• Ericsson?Motolora?Nokia?Unwired
  Planet????????1997?6??????????????(WAP
  forum)http//www.wapforum.org?
• WAP????????GSM??????????(WWW)??,??????????????(Val
  ue Added Service),??????????????????????
• ??????????(Less Bandwidth)?????????(Less
  Reliability),???????????????????????????,

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WAP

• WML(Wireless Markup Language)
• ?????????????????,WAP????????????????,?????(WML)??
  ??
• WAP????
• YesMobile (http//www.yesmobile.com.tw)??????,????
  ???????????????
• ????????
• ?????????
• ?????????????,
• ??WAP??????????,???????????????????

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??????(Wireless LAN)

• IEEE802.11??????
• ??????????2.4Ghz?????????(ISM,Industrial
  Scientific Medical Bands)
• ???????1-2Mbps
• ????????100??,
• ???????????/?????(CSMA/CA,Carrier Sense Multiple
  Access with Collision Avoidance)???????(Media
  Access Control)?????,
• IEEE802.11b??????
• ????????????11Mbps?

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????
73
??????
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????????

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

• ??????
• ????????(SOHO,Small Office Home Office)??
• ??????????????,???????T1??
• ???
• ???
• ???
• ???

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??????---??(Bluetooth)

• ???(Ericsson)???1998????Intel?Nokia?Toshiba?IBM???
  ????????????????
• ??????????????????????,
• ??????,????2.4Ghz???????ISM???
• ??????????????(IA,Information Appliance)?

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Bluetooth???

• ????(Cable Replacement)
• ??????????????????????
• ??????(Personal Ad-hoc Networks)
• ????????,?????????????
• ??????(Data/Voice Access Point)?
• ???????????Internet???????

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?????

• ?????????????????(Mobile Office),??????????????(Mo
  bile Worker)
• ?PC???,????????????????,?????????????????,????????
  ?????,????????,????????????!