ATM Signaling

• Separation of signaling

  • UNI - node and network; NNI - internal to the network
  • UNI 4.0 (latest, 136 pps) includes recv-inititated joins

• UNI 3.0/3.1 based on Q.2931, in turn based on Q.931 (used for N-ISDN)

• One-pass method of circuit set-up

  • routing and admit control based on dest address, QoS

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