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ITU Q.2140:1995

ITU Q.2140:1995 B-isdn Atm Adaptation Layer - Service Specific Coordination Function For Signalling At The Network Node Interface (sscf At Nni) Defines a function being ATM Adaption Layer for supporting of signalling (SAAL) at the Network Node Interface (NNI) of the B-ISDN.

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Table of Contents

1Scope
2NormativeReferences
3Abbreviations
4General
5ServicesprovidedbytheSAALattheNNI
6FunctionsoftheSSCFattheNNI
6.1Functionswithnopeer-to-peermessages
6.2Functionswithpeer-to-peermessages
6.3SignallingprotocolstackforNNI
7DefinitionoftheboundarybetweentheSSCFwith
Layer3attheNNI
7.1Primitives
7.2Statetransitiondiagram
8DefinitionoftheboundarybetweentheSSCFat
theNNIandtheSSCOP
8.1RepertoireofsignalsbetweenSSCFandSSCOP
8.2SequencesofsignalsbetweenSSCFandSSCOP
9DefinitionoftheboundarybetweentheSSCFand
theLayerManagement
10Protocolelementsforpeer-to-peerCommunication
11Defaultparametersandtimers
12StatetransitiontableofSSCFattheNNI
AnnexAProtocolImplementationConformanceStatement
(PICS)proformatoRecommendationQ.2140
A.1General
A.2Abbreviationsandspecialsymbols
A.3InstructionsforcompletingthePICSproforma
A.4Globalstatementofconformance
A.5SSCOP-RecommendationQ.2110
A.6SSCFatNNI-RecommendationQ.2140
AppendixIImpactsofSAALonMTP-3
I.1FrameformatofMTP-3+B-ISUPmessage
I.2Octettransmissionorder
I.3SizeofFSNinchangeovermessage
I.4Provingendsduetoaprocessoroutage
condition
I.5Automaticallocationofsignallingdata
links
AppendixIIExampletimeflowdiagramsforconnection
establishment
AppendixIIISDLDiagramsfortheSSCFattheNNI

Abstract

Defines a function being ATM Adaption Layer for supporting of signalling (SAAL) at the Network Node Interface (NNI) of the B-ISDN.

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