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Chapter Two Network Architecture and Protocols

Chapter Two Network Architecture and Protocols. Servers and clients need to speak the same language Figure 2.1. The seven-layer OSI Reference Model Figure 2.2. Peer-to-peer information exchange Figure 2.3. Concept of service access points (SAPs) Figure 2.4.

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Chapter Two Network Architecture and Protocols

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  1. Chapter Two Network Architecture and Protocols

  2. Servers and clients need to speak the same languageFigure 2.1

  3. The seven-layer OSI Reference ModelFigure 2.2

  4. Peer-to-peer information exchangeFigure 2.3

  5. Concept of service access points (SAPs)Figure 2.4

  6. Peer-to-peer transmission process of an NPDUFigure 2.5

  7. Time-sequence diagram for service primitivesFigure 2.6

  8. Example of a protocol executing a layer 2 (data link) serviceFigure 2.7

  9. Flow of information through a typical layered networkFigure 2.8

  10. Exchanges of data units at the application layerFigure 2.9

  11. Exchanges of data units at the presentation layerFigure 2.10

  12. Exchanges of data units at the session layerFigure 2.11

  13. Exchanges of data units at the transport layerFigure 2.12

  14. Exchanges of data units at the network layerFigure 2.13

  15. Exchanges of data units at the data link layerFigure 2.14

  16. Exchanges of data units at the physical layerFigure 2.15

  17. Comparison of the TCP/IP and OSI modelsFigure 2.16

  18. Encapsulation of data units using TCP/IPFigure 2.17

  19. Client/server view of an e-mail exchangeFigure 2.18

  20. Linking to a web page using HTTPFigure 2.19

  21. FTP process in a client/server settingFigure 2.20

  22. Use of routers to transfer information between networksFigure 2.21

  23. The IEEE 802 LAN modelFigure 2.22

  24. Formats of an LLC PDU and a generic MAC frameFigure 2.23

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