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MOÂN HOÏC: CÔ SÔÛ KYÕ THUAÄT TRUYEÀN SOÁ LIEÄU Lôùp Kyõ thuaät vieãn thoâng

MOÂN HOÏC: CÔ SÔÛ KYÕ THUAÄT TRUYEÀN SOÁ LIEÄU Lôùp Kyõ thuaät vieãn thoâng. Chöông 1: MAÏNG TRUYEÀN SOÁ LIEÄU VAØ CAÙC CHUAÅN HEÄ THOÁNG MÔÛ. NOÄI DUNG MOÂN HOÏC. Chöông 1: M aïng truyeàn soá lieäu vaø caùc chuaån heä thoáng môû . Chöông 2: Giao tieáp lôùp vaät lyù .

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MOÂN HOÏC: CÔ SÔÛ KYÕ THUAÄT TRUYEÀN SOÁ LIEÄU Lôùp Kyõ thuaät vieãn thoâng

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  1. MOÂN HOÏC: CÔ SÔÛ KYÕ THUAÄT TRUYEÀN SOÁ LIEÄULôùp Kyõ thuaät vieãn thoâng Chöông 1: MAÏNG TRUYEÀN SOÁ LIEÄU VAØ CAÙC CHUAÅN HEÄ THOÁNG MÔÛ

  2. NOÄI DUNG MOÂN HOÏC • Chöông 1: Maïng truyeàn soá lieäu vaø caùc chuaån heä thoáng môû. • Chöông 2:Giao tieáp lôùp vaät lyù. • Chöông 3:Truyeàn döõ lieäu. • Chöông 4:Cô sôû cuûa giao Thöùc. • Chöông 5: Caùc giao thöùc lôùp lieân keát döõ lieäu.

  3. TAØI LIEÄU THAM KHAÛO • “Data communication, computer networks and open systems”, • Slide moân hoïc • Caùc taøi lieäu khaùc do giaùo vieân chæ ñònh. • Tìm kieám treân maïng.

  4. CAÙC ÖÙNG DUÏNG CUÛA MAÏNG • Truyeàn files. • In aán. • Truy xuaát, caäp nhaät cô sôû döõ lieäu. • Duyeät web. • Göûi thö ñieän töû • Giaùm saùt, ñieàu khieån töø xa. • Ñieàu khieån maùy moùc coâng nghieäp, Robot. • Löu tröõ thoâng tin.

  5. CHÖÔNG 1: MAÏNG TRUYEÀN SOÁ LIEÄU VAØ CAÙC CHUAÅN HEÄ THOÁNG MÔÛ • Caùc öùng duïng cuûa maïng truyeàn soá lieäu. • Caùc loaïi maïng truyeàn soá lieäu. • Khaùi nieäm & Caáu truùc moâ hình OSI. • Chöùc naêng caùc lôùp trong moâ hình OSI. • Söï phoái hôïp giöõa caùc giao thöùc (TCP/IP). • Giôùi thieäu moät soá boä giao thöùc chuaån.

  6. SÔ ÑOÀ TRUYEÀN DÖÕ LIEÄU GIÖÕA CAÙC MAÙY TÍNH Computer A Computer B User-to-user Communication AP AP Computer - to - computer Communication Phaân heä TSL Phaân heä TSL Computer - to - network Communication Maïng truyeàn soá lieäu (moâi tröôøng) AP(Application process) = trình öùng duïng

  7. CAÙC VAÁN ÑEÀ CÔ BAÛN CUÛA TRUYEÀN SOÁ LIEÄU • Öùng duïng cuûa maïng. • Caùc giao thöùc. • Moâi tröôøng truyeàn daãn.

  8. CAÙC MAÏNG TRUYEÀN SOÁ LIEÄU Computer A Computer B AP AP Phaân heä TSL Phaân heä TSL a) Lieân keát baèng caùp ñieåm - ñieåm MAÏNG ÑÔN COMPUTER - TO - COMPUTER

  9. Computer A Computer B Chuaån giao tieáp AP AP Line ñieän thoai coá ñònh Phaân heä TSL Phaân heä TSL PSTN Modem Modem b) Lieân keát qua maïng PSTN söû duïng Modem MAÏNG ÑÔN COMPUTER - TO - COMPUTER

  10. Site-wide (backbone) LAN Building A LAN 1 LAN 3 Building B LAN 2 = PC, Work station = Brige (caàu) Building C a) ÖÙng duïng trong vaên phoøng CAÙC LOAÏI MAÏNG TREÂN NEÀN MAÏNG LAN

  11. Caùc boä ñieàu khieån Factorywide (Backbone) LAN Sales Design b) ÖÙng duïng trong nhaø maùy coâng nghieäp CAÙC LOAÏI MAÏNG TREÂN NEÀN MAÏNG LAN

  12. Toång ñaøi truyeàn soá lieäu Data switching exchange Toång ñaøi noäi boä (Private branch exchange) Site B PBX PBX PBX PBX Site C Site A DSE DSE DSE DSE Site D =Intelligent MUX (boä gheùp keânh) Keânh thueâ rieâng MAÏNG RIEÂNG DUØNG TRONG THÖÔNG MAÏI

  13. PC PC TC PC PSDN PC Communication systems TC Terminal controller a) Public switched data network - PSDN MAÏNG TRUYEÀN SOÁ LIEÄU COÂNG COÄNG

  14. NTE NTE ISDN NTE NTE Network terminal equipment b) Integrated services digital network - ISDN MAÏNG TRUYEÀN SOÁ LIEÄU COÂNG COÄNG

  15. Veä tinh s Traïm maët ñaát Gateway PSDN quoác gia PSDN PSDN LAN LAN LAN LAN LIEÂN MAÏNG TOAØN CAÀU

  16. ATM LAN LAN ATM MAN ATM MAN ATM-WAN ATM LAN LAN Multimedia workstation/sever Data - only workstation/sever MAÏNG ÑA DÒCH VUÏ BAÊNG ROÄNG

  17. OSI Model Overview Application Application (Upper) Layers Presentation Session

  18. Application Application (Upper) Layers Presentation Session OSI Model Overview Transport Layer Network Layer Data Flow Layers Data Link Physical

  19. Ứng dụng Application (Upper) Layers Trình bày Phiên làm việc OSI Model Overview Truyền tải Mạng Data Flow Layers Liên kết dữ liệu Vật lý

  20. Role of Application Layers EXAMPLES Telnet FTP User Interface Application

  21. Role of Application Layers EXAMPLES Telnet FTP User Interface Application ASCII EBCDIC JPEG • How data is presented • Special processing such as encryption Presentation

  22. Role of Application Layers EXAMPLES Telnet FTP User Interface Application ASCII EBCDIC JPEG • How data is presented • Special processing such as encryption Presentation Keeping different applications’ data separate Operating System/ Application Access Scheduling Session

  23. Telnet FTP ASCII EBCDIC JPEG Operating System/ Application Access Scheduling Role of Application Layers EXAMPLES User Interface Application • How data is presented • Special processing such as encryption Presentation Keeping different applications’ data separate Session Transport Layer Network Layer Data Link Physical

  24. Role of Data Flow Layers EXAMPLES • Move bits between devices • Specifies voltage, wire speed and pin-out cables EIA/TIA-232V.35 Physical

  25. Role of Data Flow Layers EXAMPLES • Combines bits into bytes and bytes into frames • Access to media using MAC address • Error detection not correction 802.3 / 802.2 HDLC Data Link • Move bits between devices • Specifies voltage, wire speed and pin-out cables EIA/TIA-232V.35 Physical

  26. Role of Data Flow Layers EXAMPLES Provide logical addressing which routers use for path determination IP IPX Network • Combines bits into bytes and bytes into frames • Access to media using MAC address • Error detection not correction 802.3 / 802.2 HDLC Data Link • Move bits between devices • Specifies voltage, wire speed and pin-out cables EIA/TIA-232V.35 Physical

  27. Role of Data Flow Layers EXAMPLES TCP UDP SPX • Reliable or unreliable delivery • Error correction before retransmit Transport Provide logical addressing which routers use for path determination IP IPX Network • Combines bits into bytes and bytes into frames • Access to media using MAC address • Error detection not correction 802.3 / 802.2 HDLC Data Link • Move bits between devices • Specifies voltage, wire speed and pin-out cables EIA/TIA-232V.35 Physical

  28. Role of Data Flow Layers Application Presentation EXAMPLES Session TCP UDP SPX • Reliable or unreliable delivery • Error correction before retransmit Transport Provide logical addressing which routers use for path determination IP IPX Network • Combines bits into bytes and bytes into frames • Access to media using MAC address • Error detection not correction 802.3 / 802.2 HDLC Data Link • Move bits between devices • Specifies voltage, wire speed and pin-out cables EIA/TIA-232V.35 Physical

  29. KEÁT THUÙC CHÖÔNG 1

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