1 Scope
2 References
3 Abbreviations and terminology
3.1 Abbreviations
3.2 Terminology
3.3 External terminology
4 Introduction
4.1 General
4.2 General objectives
4.3 Generic
functions
4.4 A reference configuration for traffic control and congestion control
4.5 Events, actions, time-scales and response times
4.6 Quality of service and network performance
5 Traffic parameters and descriptors
5.1 Definitions
5.1.1 Traffic
parameters
5.1.2 Traffic
descriptors
5.2 Requirements
5.3 Traffic contract
5.3.1 Traffic contract
definition
5.3.2 Traffic contract
and quality of service
5.3.3 Traffic contract
and cell loss priority
5.3.4 Traffic contract
and tagging
5.3.5 Impact of cell
delay variation on UPC/NPC and resource allocation
5.4 Traffic parameter specifications
5.4.1 Peak cell rate
5.4.2 Sustainable cell
rate
5.4.3 Specification of
other traffic parameters
5.4.4 Traffic characteristics relevant to ATCs
6 ATM transfer capabilities
6.1 General
6.1.1 Definition and
requirements
6.1.2 ATCs and
multiplexing
6.2 High level description of ATM transfer capabilities
6.2.1 Deterministic
transfer capability – DBR
6.2.2 Statistical bit
rate transfer capability – SBR
6.2.3 ATM block
transfer – ABT
6.2.4 Available
Bit Rate – ABR
6.3 Applicability of ATM transfer capabilities to applications
6.4 Deterministic bit rate transfer capability (DBR)
6.4.1 Definition and
service model
6.4.2 Options
regarding source traffic descriptor and conformance definition
6.4.3 Source traffic
descriptor
6.4.4 CDV tolerances
6.4.5 Conformance
definition
6.4.6 QOS aspects
6.5 Statistical bit rate transfer capability (SBR)
6.5.1 Definition and
service model
6.5.2 Source traffic
descriptor and CDV tolerances
6.5.3 Conformance
definition and QOS commitments
6.6 ATM block transfer capabilities (ABT)
6.6.1 ABT with delayed
transmission (ABT/DT)
6.6.2 ABT with
immediate transmission (ABT/IT)
6.7 Available bit rate transfer capability (ABR)
6.7.1 Definition and
service model
6.7.2 Source traffic
descriptor and CDV tolerances
6.7.3 Additional ABR
traffic parameters used in the reference behaviour
6.7.4 Dynamically
changing traffic parameters and RM cell format for ABR
6.7.5 Conformance
definition and QOS commitments for ABR
7 Functions for traffic control and congestion control
7.1 Introduction
7.1.1 Traffic control and congestion control functions
7.2 Traffic control functions
7.2.1 Use of virtual
paths for network resource management
7.2.2 Connection
admission control
7.2.3 Usage parameter control and network parameter control
7.2.4 Discard priority
control
7.2.5 Frame discard
7.2.6 Scheduling
control
7.2.7 Traffic shaping
7.2.8 Fast Resource
Management (FRM)
7.3 Congestion control functions
7.3.1 Discard priority
control
7.3.2 Explicit forward
congestion indication
7.3.3 Reaction to UPC/NPC failures
7.3.4
Frame discard
7.3.5 Scheduling
control
7.4 Traffic control interworking functions
7.4.1 Traffic control
interworking with FMBS
8 Procedures for traffic control and congestion control
8.1 Resource management cell format
8.2 RM Cell Error Conditions
Annex A - Generic
Cell Rate Algorithm GCRA(T,t)
Annex B -
Application of the GCRA to SBR conformance definition
Annex C - ABT/DT
control messages across a standardized interface
Annex D - ABT/IT
control messages across a standardized interface
Annex E -
Avoidance of multiple outstanding BCR negotiations
Annex F - ABR
control messages across a standardized interface
Appendix I - Examples of application of the equivalent terminal for the peak
cell rate definition
Appendix II - Transcoding rules from signalling information onto OAM traffic
parameters at the ATM layer
Appendix III - Throughput behaviour of the generic cell rate algorithm (GCRA)
Appendix IV - UPC/NPC accuracy requirements
Appendix V - Examples of methods ensuring unicity of RM cell numbering in ABT
V.1 Segmentation of the SN field between different networks
V.2 Proprietary handling of SN field
V.3 Segmentation of the SN field for indicating relative location of RM
cell
Appendix VI - Derivation of conformance definition parameters for ABT
Appendix VII - Source, destination, and network element reference behaviours for
ABR
VII.1 Source
reference behaviour
VII.2 Destination reference behaviour
VII.3 Network element reference behaviour
VII.4 Impact of source reference behaviour on traffic characteristics
Appendix VIII - 2‑store algorithm for determination of T(k) in ABR explicit
mode
Appendix IX - Applicability of ATM Transfer Capabilities to applications