ATM Signaling Protocol Stack

• The figure below illustrates the protocol stack used in ATM signaling

• Signaling ATM Adaptation Layer (SAAL) ensures the reliable delivery of signaling messages and consists of:

  • User-Network Interface Service Specific Coordination Function (UNI SSCF)
  • Service Specific Connection-Oriented Protocol (SSCOP)
  • ATM Adaptation Layer 5

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