ITU Y.2112:2007
ITU Y.2112:2007 A Qos Control Architecture For Ethernet-based Ip Access Network Describes a QoS control architecture for Ethernet-based IP access networks.
Table of Contents
1Scope2References
3Definitions
3.1Termsdefinedelsewhere
3.2TermsdefinedinthisRecommendation
4Abbreviationsandacronyms
5Conventions
6Ethernet-basedIPaccessnetworkreferencemodels
7RequirementsforsupportofdynamicQoScontrol
8FunctionalarchitectureforsupportofdynamicQoScontrol
8.1Overview
8.2QoSmechanisms
8.3Resourceandadmissioncontrolfunction(RACF)
8.4Policydecisionfunctionalentity(PD-FE)
8.5Transportresourcecontrolfunctionalentity(TRC-FE)
8.6Transportfunctions
9Referencepointrequirements
9.1RsbetweenSCFandPD-FE
9.2RtbetweenPD-FEandTRC-FE
9.3RubetweenPD-FEandNACF
9.4RwbetweenPD-FEandPE-FE
9.5RcbetweenTRC-FEandaccessnetworknodes
9.6RnbetweenTRC-FEandTRE-FE
10ProceduresforsupportofdynamicQoScontrol
10.1Networktopologyandresourceattributescollection
10.2Resourceallocation
10.3Resourcemodification
10.4Resourcerelease
10.5Failurehandling
11Deploymentscenarios
12Securityconsiderations
AppendixI-Ethernet-basedIPaccessnetworksandQoS
AppendixII-Last-mileuseraccesstechnology
AppendixIII-Usecases
III.1Overview
III.2VoiceoverIP
III.3Videoondemand
III.4Bandwidthondemand
Bibliography