Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Chapter 11

379 views

Published on

  • Be the first to comment

  • Be the first to like this

Chapter 11

  1. 1. Chapter 11 Data Link Protocols • Asynchronous Protocols • Synchronous Protocols • Character-Oriented Protocols • Bit-Oriented ProtocolsWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  2. 2. Figure 11-1WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  3. 3. Figure 11-2WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  4. 4. Figure 11-3 XMODEM XMODEM is Half Duplex stop-and-wait ARQ protocol. Transmissison begins after sending NAK frame by receiver. CAN signal aborts the transmission.WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  5. 5. Figure 11-4 OR Byte oriented protocolsWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  6. 6. Figure 11-5 BSC-BINARY SYNCHRONOUS COMMUNICATIONWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  7. 7. Figure 11-6 Simple BSC FrameWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  8. 8. Figure 11-7 A Frame with HeaderWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  9. 9. Figure 11-8 Multiblock FrameWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  10. 10. Figure 11-9 Multiframe TransmissionWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  11. 11. Figure 11-10 Control Frame Contains control characters but no data. Used to send commands or get information from other device.WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  12. 12. Figure 11-11 Control FramesWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  13. 13. Figure 11-11-continued Control FramesWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  14. 14. Figure 11-11-continued Control FramesWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  15. 15. Figure 11-12 Byte Stuffing DATA LINK ESCAPEWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  16. 16. Figure 11-13WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  17. 17. Figure 11-14 HDLC ConfigurationWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  18. 18. Figure 11-14-continued HDLC ConfigurationWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  19. 19. Figure 11-14-continued HDLC ConfigurationWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  20. 20. Figure 11-15 HDLC Modes NRM- NORMAL RESPONSE MODE ARM- ASYNCHRONOUS RESPONSE MODE ABM- ASYNCHRONOUS BALANCED MODEWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  21. 21. Figure 11-16 HDLC Frame Types INFORMATION FRAMEWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  22. 22. Figure 11-16-continued HDLC Frame Types SUPERVISORY FRAMEWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  23. 23. Figure 11-16-continued HDLC Frame Types UNNUMBERED FRAMEWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  24. 24. Figure 11-17 HDLC Flag FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  25. 25. Figure 11-18 Bit StuffingWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  26. 26. Figure 11-19 HDLC Address FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  27. 27. Figure 11-20 HDLC Control FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  28. 28. Figure 11-21 Poll/FinalWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  29. 29. Figure 11-22 HDLC Information Field Combining data to be sent with acknowledgement of the frame Received in one single frame is called piggybacking.WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  30. 30. Figure 11-23 HDLC FCS FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  31. 31. Figure 11-24WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  32. 32. Figure 11-25 Use of P/F FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  33. 33. Figure 11-25-continued Use of P/F FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  34. 34. Figure 11-25-continued Use of P/F FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  35. 35. Figure 11-25-continued Use of P/F FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  36. 36. Figure 11-25-continued Use of P/F FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  37. 37. Figure 11-26 U-Frame Control FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  38. 38. Figure 11-26-continued U-Frame Control FieldWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  39. 39. Figure 11-27 Polling ExampleWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  40. 40. Figure 11-28 Selecting ExampleWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  41. 41. Figure 11-29 Peer-to-Peer ExampleWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998
  42. 42. Figure 11-29-continued Peer-to-Peer ExampleWCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998

×