Alcatel-Lucent 7450 - Page 509

QoS Scheduler Policies
Quality of Service Guide 509
Figure 20: Port Level Virtual Scheduler Bandwidth Allocation Based on Priority and CIR
Priority 8
Port
Priority 7
“Within-CIR”
Weighted
Distribution
OSSG130
Priority 8
“Above-CIR”
Weighted
Distribution
Within-CIR
Strict
Distribution
Highest Priority
High Priority
Priorities
6 through 3
not shown
Egress
Rate
Port
Low Priority
High
Priority
Low
Priority
Lowest Priority
Highest Priority
Lowest Priority
Above-CIR
Strict
Distribution
“Within-CIR”
Weighted
Distribution
Priority 7
“Above-CIR”
Weighted
Distribution
Level
Rate
Limit
Level
Rate
Limit
Priority 2
Priority 1
“Within-CIR”
Weighted
Distribution
Priority 2
“Above-CIR”
Weighted
Distribution
“Within-CIR”
Weighted
Distribution
Priority 1
“Above-CIR”
Weighted
Distribution
Priority 1
“Above-CIR”
Orphan RR
Distribution
Above-CIR
Strict
Distribution
Level
Rate
Limit
Level
Rate
Limit
Strict Rate
Limiting
Scheduler