QoS Policies
Quality of Service Guide 71
Figure 10: Hierarchical Scheduler and Queue Association
Scheduler Policies Applied to Applications
A scheduler policy can be applied either on a SAP (Figure 11) or on a multi-service customer
site (a group of SAPs with common origination/termination point) (Figure 12). Whenever a
scheduler policy is applied, the individual schedulers comprising the policy are created on the
object. When the object is an individual SAP, only queues created on that SAP can use the
schedulers created by the policy association. When the object is a multi-service customer site,
the schedulers are available to any SAPs associated with the site (also see Scheduler Policies
Applied to SAPs).
Tier 3 Tier 2 Tier 1
Weighted
Rate Limiting
Scheduler
Queue(8)
C1
B1
A1
C2
C3
(7)
(6)
(5)
(4)
(3)
Queue
Queue
Queue
Queue
Queue
Weighted
Rate Limiting
Scheduler
Weighted
Rate Limiting
Scheduler
Weighted
Rate Limiting
Scheduler
Weighted
Rate Limiting
Scheduler
OSSG268
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