QoS Policies
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7950 XRS Quality of Service Guide
Figure 7: Scheduler Policy on Customer Site and Scheduler Hierarchy Creation
Queues become associated with schedulers when the parent scheduler name is defined within the
queue definition in the SAP ingress policy. The scheduler is used to provide bandwidth to the
queue relative to the operating constraints imposed by the scheduler hierarchy.
Scheduler Policies Applied to SAPs
A scheduler policy can be applied to create egress schedulers used by SAP queues. The schedulers
comprising the policy are created at the time the scheduler policy is applied to the SAP. If any
orphaned queues exist (queues specifying a scheduler name that does not exist) on the egress SAP
and the policy application creates the required scheduler, the status on the queue will become non-
orphaned.
Queues are associated with the configured schedulers by specifying the parent scheduler defined
within the queue definition from the SAP egress policy. The scheduler is used to provide
bandwidth to the queue relative to the operating constraints imposed by the scheduler hierarchy.
Weighted
Rate Limiting
Scheduler
Service
Queue
Service
Queue
Service
Queue
Service
Queue
Service
Queue
Service
Queue
Weighted
Rate Limiting
Scheduler
Weighted
Rate Limiting
Scheduler
Weighted
Rate Limiting
Scheduler
Forwarding
Class
Forwarding
Class
Forwarding
Class
Forwarding
Class
Forwarding
Class
Forwarding
Class
Scheduler Policy
Ingress or Egress
SAP
SAP
Hierarchical Schedulers
Created Through Scheduler Policy
Application To Individual SAP
Customer
Site
Each SAP Belongs
To The Same
Customer And Is
Associated With
The Same Port
Packet
Packet
Packet
Packet
Packet
Packet
OSSG270
Summary of Contents for 7950
Page 12: ...Page 12 7950 XRS Quality of Service Guide List of Figures ...
Page 16: ...Preface Page 16 7950 XRS Quality of Service Guide ...
Page 82: ...Editing QoS Policies Page 82 7950 XRS Quality of Service Guide ...
Page 90: ...Applying Network Queue Policies Page 90 7950 XRS Quality of Service Guide ...
Page 96: ...Editing QoS Policies Page 96 7950 XRS Quality of Service Guide ...
Page 98: ...Command Hierarchies Page 98 7950 XRS Quality of Service Guide ...
Page 108: ...Command Hierarchies Page 108 7950 XRS Quality of Service Guide ...
Page 156: ...Basic Configurations Page 156 7950 XRS Quality of Service Guide exit exit ...
Page 164: ...Queue Depth Monitoring Page 164 7950 XRS Quality of Service Guide ...
Page 304: ...Service Queue QoS Policy Commands Page 304 7950 XRS Quality of Service Guide ...
Page 368: ...Command Hierarchies Page 368 7950 XRS Quality of Service Guide ...
Page 430: ...Configuration Commands Page 430 7950 XRS Quality of Service Guide ...
Page 532: ...Editing QoS Policies Page 532 7950 XRS Quality of Service Guide ...
Page 552: ...Editing Advanced Policies Page 552 7950 XRS Quality of Service Guide ...
Page 600: ...Command Hierarchies Page 600 7950 XRS Quality of Service Guide ...
Page 602: ...QoS Commands Page 602 7950 XRS Quality of Service Guide ...
Page 610: ...Standards and Protocols Page 610 7950 XRS Quality of Service Guide ...
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