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Features of OSI modelDescription of OSI layersDefects of OSI model
Features Provision with communications and the  development of network protocols Representation of a computer network in...
OSI layers physical layer data link layer network layer transport layer session layer presentation layer applicatio...
Layer 1: physical layer Main function:Media, signal and binary transmission Protocols of layer:  X.25 (X.21bis, EIA/TIA-...
Layer 2: data link layer Main function:Physical addressing Protocols of layer:  ISO/IEC 7666, X.25 (LAPB), Token Bus,  X...
Layer 3: network layer Main function:Path determination and logical addressing Protocols of layer:  ISO/IEC 8208, X.25 (...
Layer 4: transport layer Main function:End-to-end connections, reliability and flowcontrol Protocols of layer:  ISO/IEC ...
Layer 5: session layer Main function:Interhost communication, managingsessions between applications Protocols of layer: ...
Layer 6: presentation layer  Main function: Data representation, encryption and decryption, convert machine dependent dat...
Layer 7: application layer Main function:Network process to application Protocols of layer:  FTAM, X.400, X.500, DAP, RO...
Defects of OSI model Unmeaning concepts of protocols Incomplete specification Slow and difficult for realization protoc...
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Osi

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Osi

  1. 1. Author:
  2. 2. Features of OSI modelDescription of OSI layersDefects of OSI model
  3. 3. Features Provision with communications and the development of network protocols Representation of a computer network in terms of abstraction layers Easy collaboration network hardware and software
  4. 4. OSI layers physical layer data link layer network layer transport layer session layer presentation layer application layer
  5. 5. Layer 1: physical layer Main function:Media, signal and binary transmission Protocols of layer: X.25 (X.21bis, EIA/TIA-232, EIA/TIA- 449, EIA-530, G.703)
  6. 6. Layer 2: data link layer Main function:Physical addressing Protocols of layer: ISO/IEC 7666, X.25 (LAPB), Token Bus, X.222, ISO/IEC 8802-2 LLC Type 1 and 2
  7. 7. Layer 3: network layer Main function:Path determination and logical addressing Protocols of layer: ISO/IEC 8208, X.25 (PLP), ISO/IEC 8878, X.223, ISO/IEC 8473-1, CLNP X.233
  8. 8. Layer 4: transport layer Main function:End-to-end connections, reliability and flowcontrol Protocols of layer: ISO/IEC 8073, TP0, TP1, TP2, TP3, TP4 (X.224), ISO/IEC 8602, X.234
  9. 9. Layer 5: session layer Main function:Interhost communication, managingsessions between applications Protocols of layer: ISO/IEC 8327, X.225, ISO/IEC 9548-1, X.235
  10. 10. Layer 6: presentation layer  Main function: Data representation, encryption and decryption, convert machine dependent data to machine independent data  Protocols of layer: ISO/IEC 8823, X.226, ISO/IEC 9576-1, X.236
  11. 11. Layer 7: application layer Main function:Network process to application Protocols of layer: FTAM, X.400, X.500, DAP, ROSE, RTSE, ACSE, CMIP
  12. 12. Defects of OSI model Unmeaning concepts of protocols Incomplete specification Slow and difficult for realization protocols
  13. 13. Contact

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