1
Introduction
1.1 Scope
1.2 Background
1.2.1 Bandwidth assignment in non-DBA G.983.1
systems
1.2.2 Enhancing the bandwidth assignment on
G.983.1 PON systems
1.2.3
Effectiveness of dynamic bandwidth assignment
1.2.4 General DBA approaches
1.2.5 Features and Migration scenarios for DBA
1.2.6 Requirements for this Recommendation
1.2.7 Layered
architecture
1.3 Architectural Drawing
1.4 T-CONT priority hierarchy
1.5 Objectives
2
References
3
Abbreviations
4
Definitions
5
Architecture of the optical access network
5.1 Network
architecture
5.1.1 FTTCab/C/B scenario
5.1.2 FTTH scenario
5.1.3 DBA installations Scenario for FTTx
5.2 Reference configuration
5.2.1 Service node interface
5.2.2 Interface at the reference points S/R and
R/S
5.3 Functional blocks
5.3.1 Optical line termination
5.3.2 Optical network unit/optical network
termination
5.3.3 Optical distribution network
5.4 ONU/ONT functional block
5.4.1 NSR-ONU/ONT functional block
5.4.2 SR-ONU/ONT functional block
5.5 Optical Line Termination functional block
5.5.1 Non-DBA-OLT functional block
5.5.2 DBA-OLT functional block
5.6 Optical distribution network functional block
5.6.1 Passive optical elements
5.6.2 Optical
interfaces
6
Services
7
User network interface and service node Interface
8
Optical network requirements
8.1 Layered structure of the optical network
8.2 Physical medium dependent layer requirements for the ATM-PON
8.3 Transmission convergence layer requirements for the ATM-PON
8.3.1 Point-to-multipoint capacities for
downstream and upstream
8.3.2 Maximum payload capacities for downstream
and upstream
8.3.3 Downstream interface
8.3.4 Upstream interface
8.3.5 Transport specific TC interface
8.3.6 ATM specific TC functions
8.3.7 OAM functions
8.3.8 Messages in the PLOAM channel
8.3.9 Automatic protection switching
8.4 Ranging method
8.4.1 Scope of the applied ranging method
8.4.2 Features of ranging method for DBA
8.4.3 Phase relation specification between
downstream and upstream
8.4.4 Definition of messages used in the
ranging protocol
8.4.5 Ranging procedure
8.4.6
Ranging time requirements
8.5 Handshake procedures
8.5.1 Overall handshake procedure
8.5.2 Negotiated parameters
8.5.3 Detailed procedures
8.6 Operations for creation and deletion of T-CONTs
8.6.1 Requirements for operations of T-CONT
status change
8.6.2 Operations for creation of T-CONTs
8.6.3 Operations for deletion of T-CONTs
8.6.4 Impact by
T-CONT status change
9
Operations Administration and Maintenance (OAM) functionality
10 Performance
11 Environmental condition
12 Safety
Appendix I – Algorithm for DBA
I.1 Algorithms for detecting ONU/ONT status for SR-ONU/ONT
I.2 Algorithms for monitoring cell streams at OLT from
NSR-ONUs/ONTs
I.3 Algorithms to update bandwidth
I.4 Algorithms for grant assignment
I.5 Control allowing for Upstream Congestion of the OLT NNI
Appendix II – Options for minislot format and negotiating procedures
II.1 Extended T-CONT reporting options
II.1.1 Report type field
II.1.2 Reporting capability
II.1.3 Usage of extended reporting types