IEEE/ISO Protocol Set

• Deal with Physical and Data Link layers only

• 3 medium access control (MAC) standards

  • IEEE 802.3 CSMA/CD; ISO 8802.3
  • IEEE 802.4 Token bus; ISO 8802.4
  • IEEE 802.5 Token ring; ISO 8802.5

Physical

Logical Link Control (LLC)

Medium Access Control (MAC)

Layer 1

Layer 2

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