Nokia 7705 - Page 5

Quality of Service Guide
Edition: 01 3HE 11014 AAAC TQZZA 5
3.6.1 Access Egress Queuing and Scheduling ................................................113
3.6.1.1 BMU Traffic Access Egress Queuing and Scheduling ............................115
3.6.1.2 ATM Access Egress Queuing and Scheduling........................................115
3.6.1.3 Ethernet Access Egress Queuing and Scheduling..................................118
3.6.2 Access Egress Per-SAP Aggregate Shapers (Access Egress H-
QoS) ........................................................................................................119
3.6.2.1 Access Egress Per-SAP Shapers Arbitration..........................................119
3.6.3 Access Egress Shaping for Hybrid Ports.................................................121
3.6.4 Access Egress for 4-Priority (Gen-3) Scheduling....................................121
3.6.5 Access Egress Marking/Re-Marking .......................................................121
3.6.6 Packet Byte Offset (PBO)........................................................................122
3.7 QoS Policies Overview............................................................................126
3.7.1 Overview..................................................................................................126
3.7.2 Service Ingress QoS Policies ..................................................................129
3.7.3 Service Egress QoS Policies...................................................................132
3.7.4 MC-MLPPP SAP Egress QoS Policies....................................................134
3.7.5 Network and Network Queue QoS Policies.............................................135
3.7.5.1 Network QoS Policies..............................................................................136
3.7.5.2 Network Queue QoS Policies..................................................................143
3.7.6 Network and Service QoS Queue Parameters........................................146
3.7.6.1 Queue ID ................................................................................................146
3.7.6.2 Committed Information Rate ...................................................................146
3.7.6.3 Peak Information Rate.............................................................................147
3.7.6.4 Adaptation Rule.......................................................................................148
3.7.6.5 Committed Burst Size..............................................................................148
3.7.6.6 Maximum Burst Size................................................................................149
3.7.6.7 High-Priority-Only Buffers........................................................................149
3.7.6.8 High and Low Enqueuing Thresholds......................................................150
3.7.6.9 Queue Counters ......................................................................................151
3.7.6.10 Queue Type.............................................................................................151
3.7.6.11 Rate Limiting............................................................................................152
3.7.7 Slope Policies (WRED and RED)............................................................153
3.7.7.1 WRED MinThreshold and MaxThreshold Computation...........................155
3.7.7.2 WRED on Bridging Domain (Ring) Queues.............................................155
3.7.7.3 Payload-based WRED.............................................................................156
3.7.8 ATM Traffic Descriptor Profiles................................................................157
3.7.9 Fabric Profiles..........................................................................................157
3.7.10 Shaper Policies........................................................................................158
3.7.11 QoS Policy Entities..................................................................................158
3.8 Configuration Notes.................................................................................160
3.8.1 Reference Sources..................................................................................160
4 Network QoS Policies.................................................................161
4.1 Overview..................................................................................................162
4.2 Basic Configuration .................................................................................163
4.2.1 Configuring a Network QoS Policy ..........................................................163
4.2.2 Creating a Network QoS Policy...............................................................164
4.2.3 Applying Network QoS Policies...............................................................167
4.2.4 Default Network QoS Policy Values ........................................................168