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Lecture TCP-IP protocol suite - Chapter 26: IP over ATM

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Upon completion you will be able to: Review the features of an ATM WAN, understand how an a datagram can pass through an ATM WAN, understand how an IP packet is encapsulated in cells, understand how cells are routed in an ATM network, understand the function of ATMARP.

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Nội dung Text: Lecture TCP-IP protocol suite - Chapter 26: IP over ATM

  1. Chapter 26 IP over ATM McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  2. CONTENTS •  ATM WANS •  CARRYING A DATAGRAM IN CELLS •  ROUTING THE CELLS •  ATMARP •  LOGICAL IP SUBNET (LIS) McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  3. 26.1 ATM WANS McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  4. Figure  26­1 An ATM WAN in the Internet McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  5. Figure  26­2 ATM layers in routers and switches McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  6. End devices such as routers use all three layers, while switches use only the bottom two layers. McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  7. Figure  26­3 AAL5 McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  8. The AAL layer used by the IP protocol is AAL5. McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  9. Figure  26­4 ATM layer McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  10. Figure  26­5 ATM headers McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  11. 26.2 CARRING A DATAGRAM IN CELLS McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  12. Figure  26­6 Fragmentation McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  13. Only the last cell carries the 8-byte trailer added to the IP datagram. Padding can be added only to the last cell or the last two cells. McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  14. The value of the PT field is 000 in all cells carrying an IP datagram fragment except for the last cell; the value is 001 in the last cell. McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  15. Figure  26­7 ATM cells McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  16. 26.3 ROUTING THE CELLS McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  17. Figure  26­8 Entering­point and exiting­point routers McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  18. 26.4 ATMARP McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  19. Figure  26­9 ARP packet McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
  20. Figure  26­10 Binding with PVC McGraw­Hill ©The McGraw­Hill Companies, Inc., 2000
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