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ITU Q.2119:1996

ITU Q.2119:1996 B-isdn Atm Adaptation Layer - Convergence Function For Sscop Above The Frame Relay Core Service Describes a mapping function allowing B-ISDN data communications applications using protocol stacks which include SSCOP (Recommendation Q.2110) also to be deployed in an HDLC-based environment. The re

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Table of Contents

1Scope
2Normativereferences
3Definitions
4Abbreviations
5Generaldescription
6Functionsoftheconvergencefunction
7Specificationoftheconvergencefunction
7.1TheCPCSserviceoftheAALtype5
7.2Thecoreserviceoftheframemodebearerservice
7.3PDUformat
7.4MappingtheAALtype5CPCSsignalintotheframerelay
coreserviceprimitives(transmitter)
7.5Mappingtheframerelaycoreserviceprimitivesintothe
AALtype5CPCSsignal(receiver)
7.6Layermanagement
AnnexA-UseoftheframerelaycoreserviceforSSNo.7
signallinglinksattheNNI
AppendixI-Impactof32-bitalignmentinSSCOPonthe
DL-CORE-DATA-PDUformat

Abstract

Describes a mapping function allowing B-ISDN data communications applications using protocol stacks which include SSCOP (Recommendation Q.2110) also to be deployed in an HDLC-based environment. The required mapping function is called "convergence function for SSCOP above the frame relay core service".

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